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Finding the Fourth Proportional to 113,593.10, 156,759.08 and 65,191.17

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Solution

The fourth proportional to 113,593.10, 156,759.08 and 65,191.17 is: 89,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,593.10 : 156,759.08 = 65,191.17 : x
  2. Step 2: Convert to fraction form
    113,593.10/156,759.08 = 65,191.17/x
  3. Step 3: Cross multiply
    113,593.10x = 156,759.08 × 65,191.17
  4. Step 4: Simplify right side
    113,593.10x = 10,219,307,833.32
  5. Step 5: Solve for x
    x = 10,219,307,833.32/113,593.10
  6. Step 6: Final answer
    x = 89,964.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.