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Finding the Fourth Proportional to 113,059.96, 156,014.92 and 62,755

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Solution

The fourth proportional to 113,059.96, 156,014.92 and 62,755 is: 86,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,059.96 : 156,014.92 = 62,755 : x
  2. Step 2: Convert to fraction form
    113,059.96/156,014.92 = 62,755/x
  3. Step 3: Cross multiply
    113,059.96x = 156,014.92 × 62,755
  4. Step 4: Simplify right side
    113,059.96x = 9,790,716,304.60
  5. Step 5: Solve for x
    x = 9,790,716,304.60/113,059.96
  6. Step 6: Final answer
    x = 86,597.56

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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.