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Finding the Fourth Proportional to 113,055.24, 156,010.02 and 62,751.24

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Solution

The fourth proportional to 113,055.24, 156,010.02 and 62,751.24 is: 86,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,055.24 : 156,010.02 = 62,751.24 : x
  2. Step 2: Convert to fraction form
    113,055.24/156,010.02 = 62,751.24/x
  3. Step 3: Cross multiply
    113,055.24x = 156,010.02 × 62,751.24
  4. Step 4: Simplify right side
    113,055.24x = 9,789,822,207.42
  5. Step 5: Solve for x
    x = 9,789,822,207.42/113,055.24
  6. Step 6: Final answer
    x = 86,593.26

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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.