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Finding the Fourth Proportional to 80,737.54, 121,125.78 and 25,333.54

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Solution

The fourth proportional to 80,737.54, 121,125.78 and 25,333.54 is: 38,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,737.54 : 121,125.78 = 25,333.54 : x
  2. Step 2: Convert to fraction form
    80,737.54/121,125.78 = 25,333.54/x
  3. Step 3: Cross multiply
    80,737.54x = 121,125.78 × 25,333.54
  4. Step 4: Simplify right side
    80,737.54x = 3,068,544,792.66
  5. Step 5: Solve for x
    x = 3,068,544,792.66/80,737.54
  6. Step 6: Final answer
    x = 38,006.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.