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Finding the Fourth Proportional to 91,092.96, 136,545.84 and 34,917.84

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Solution

The fourth proportional to 91,092.96, 136,545.84 and 34,917.84 is: 52,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.96 : 136,545.84 = 34,917.84 : x
  2. Step 2: Convert to fraction form
    91,092.96/136,545.84 = 34,917.84/x
  3. Step 3: Cross multiply
    91,092.96x = 136,545.84 × 34,917.84
  4. Step 4: Simplify right side
    91,092.96x = 4,767,885,793.79
  5. Step 5: Solve for x
    x = 4,767,885,793.79/91,092.96
  6. Step 6: Final answer
    x = 52,340.88

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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.