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Finding the Fourth Proportional to 113,512.92, 156,648.91 and 62,525.87

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Solution

The fourth proportional to 113,512.92, 156,648.91 and 62,525.87 is: 86,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,512.92 : 156,648.91 = 62,525.87 : x
  2. Step 2: Convert to fraction form
    113,512.92/156,648.91 = 62,525.87/x
  3. Step 3: Cross multiply
    113,512.92x = 156,648.91 × 62,525.87
  4. Step 4: Simplify right side
    113,512.92x = 9,794,609,617.61
  5. Step 5: Solve for x
    x = 9,794,609,617.61/113,512.92
  6. Step 6: Final answer
    x = 86,286.30

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1.5x scale

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.