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Finding the Fourth Proportional to 62,066.92, 85,752.68 and 43,287.88

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Solution

The fourth proportional to 62,066.92, 85,752.68 and 43,287.88 is: 59,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,066.92 : 85,752.68 = 43,287.88 : x
  2. Step 2: Convert to fraction form
    62,066.92/85,752.68 = 43,287.88/x
  3. Step 3: Cross multiply
    62,066.92x = 85,752.68 × 43,287.88
  4. Step 4: Simplify right side
    62,066.92x = 3,712,051,721.52
  5. Step 5: Solve for x
    x = 3,712,051,721.52/62,066.92
  6. Step 6: Final answer
    x = 59,807.25

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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.