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Finding the Fourth Proportional to 79,781.91, 110,094.09 and 43,972.22

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Solution

The fourth proportional to 79,781.91, 110,094.09 and 43,972.22 is: 60,678.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,781.91 : 110,094.09 = 43,972.22 : x
  2. Step 2: Convert to fraction form
    79,781.91/110,094.09 = 43,972.22/x
  3. Step 3: Cross multiply
    79,781.91x = 110,094.09 × 43,972.22
  4. Step 4: Simplify right side
    79,781.91x = 4,841,081,037.24
  5. Step 5: Solve for x
    x = 4,841,081,037.24/79,781.91
  6. Step 6: Final answer
    x = 60,678.93

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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.