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Finding the Fourth Proportional to 88,737.70, 133,074.15 and 29,575.30

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Solution

The fourth proportional to 88,737.70, 133,074.15 and 29,575.30 is: 44,352.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,737.70 : 133,074.15 = 29,575.30 : x
  2. Step 2: Convert to fraction form
    88,737.70/133,074.15 = 29,575.30/x
  3. Step 3: Cross multiply
    88,737.70x = 133,074.15 × 29,575.30
  4. Step 4: Simplify right side
    88,737.70x = 3,935,707,908.50
  5. Step 5: Solve for x
    x = 3,935,707,908.50/88,737.70
  6. Step 6: Final answer
    x = 44,352.15

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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.