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Finding the Fourth Proportional to 88,712.38, 133,071 and 29,545.93

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Solution

The fourth proportional to 88,712.38, 133,071 and 29,545.93 is: 44,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,712.38 : 133,071 = 29,545.93 : x
  2. Step 2: Convert to fraction form
    88,712.38/133,071 = 29,545.93/x
  3. Step 3: Cross multiply
    88,712.38x = 133,071 × 29,545.93
  4. Step 4: Simplify right side
    88,712.38x = 3,931,706,451.03
  5. Step 5: Solve for x
    x = 3,931,706,451.03/88,712.38
  6. Step 6: Final answer
    x = 44,319.70

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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.