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Finding the Fourth Proportional to 113,242.53, 156,275.21 and 62,259.77

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Solution

The fourth proportional to 113,242.53, 156,275.21 and 62,259.77 is: 85,918.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,242.53 : 156,275.21 = 62,259.77 : x
  2. Step 2: Convert to fraction form
    113,242.53/156,275.21 = 62,259.77/x
  3. Step 3: Cross multiply
    113,242.53x = 156,275.21 × 62,259.77
  4. Step 4: Simplify right side
    113,242.53x = 9,729,657,948.38
  5. Step 5: Solve for x
    x = 9,729,657,948.38/113,242.53
  6. Step 6: Final answer
    x = 85,918.76

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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.