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Finding the Fourth Proportional to 113,251.89, 156,287.71 and 62,265.49

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Solution

The fourth proportional to 113,251.89, 156,287.71 and 62,265.49 is: 85,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,251.89 : 156,287.71 = 62,265.49 : x
  2. Step 2: Convert to fraction form
    113,251.89/156,287.71 = 62,265.49/x
  3. Step 3: Cross multiply
    113,251.89x = 156,287.71 × 62,265.49
  4. Step 4: Simplify right side
    113,251.89x = 9,731,330,844.13
  5. Step 5: Solve for x
    x = 9,731,330,844.13/113,251.89
  6. Step 6: Final answer
    x = 85,926.43

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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.