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Finding the Fourth Proportional to 113,737.40, 156,960.62 and 62,750.80

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Solution

The fourth proportional to 113,737.40, 156,960.62 and 62,750.80 is: 86,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,737.40 : 156,960.62 = 62,750.80 : x
  2. Step 2: Convert to fraction form
    113,737.40/156,960.62 = 62,750.80/x
  3. Step 3: Cross multiply
    113,737.40x = 156,960.62 × 62,750.80
  4. Step 4: Simplify right side
    113,737.40x = 9,849,404,473.50
  5. Step 5: Solve for x
    x = 9,849,404,473.50/113,737.40
  6. Step 6: Final answer
    x = 86,597.76

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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.