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Finding the Fourth Proportional to 109,737.90, 151,438.17 and 59,436.90

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Solution

The fourth proportional to 109,737.90, 151,438.17 and 59,436.90 is: 82,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.90 : 151,438.17 = 59,436.90 : x
  2. Step 2: Convert to fraction form
    109,737.90/151,438.17 = 59,436.90/x
  3. Step 3: Cross multiply
    109,737.90x = 151,438.17 × 59,436.90
  4. Step 4: Simplify right side
    109,737.90x = 9,001,015,366.47
  5. Step 5: Solve for x
    x = 9,001,015,366.47/109,737.90
  6. Step 6: Final answer
    x = 82,022.85

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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.