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Finding the Fourth Proportional to 79,804.69, 110,131.70 and 43,506.16

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Solution

The fourth proportional to 79,804.69, 110,131.70 and 43,506.16 is: 60,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804.69 : 110,131.70 = 43,506.16 : x
  2. Step 2: Convert to fraction form
    79,804.69/110,131.70 = 43,506.16/x
  3. Step 3: Cross multiply
    79,804.69x = 110,131.70 × 43,506.16
  4. Step 4: Simplify right side
    79,804.69x = 4,791,407,143.74
  5. Step 5: Solve for x
    x = 4,791,407,143.74/79,804.69
  6. Step 6: Final answer
    x = 60,039.17

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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.