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Finding the Fourth Proportional to 79,804.91, 110,131.48 and 43,996.20

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Solution

The fourth proportional to 79,804.91, 110,131.48 and 43,996.20 is: 60,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804.91 : 110,131.48 = 43,996.20 : x
  2. Step 2: Convert to fraction form
    79,804.91/110,131.48 = 43,996.20/x
  3. Step 3: Cross multiply
    79,804.91x = 110,131.48 × 43,996.20
  4. Step 4: Simplify right side
    79,804.91x = 4,845,366,262.38
  5. Step 5: Solve for x
    x = 4,845,366,262.38/79,804.91
  6. Step 6: Final answer
    x = 60,715.14

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Half scale
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Double scale
Find fourth proportional to 79,805.91, 110,132.86 and 43,997.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.