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Finding the Fourth Proportional to 87,875.93, 131,793.06 and 37,928.74

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Solution

The fourth proportional to 87,875.93, 131,793.06 and 37,928.74 is: 56,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,875.93 : 131,793.06 = 37,928.74 : x
  2. Step 2: Convert to fraction form
    87,875.93/131,793.06 = 37,928.74/x
  3. Step 3: Cross multiply
    87,875.93x = 131,793.06 × 37,928.74
  4. Step 4: Simplify right side
    87,875.93x = 4,998,744,706.54
  5. Step 5: Solve for x
    x = 4,998,744,706.54/87,875.93
  6. Step 6: Final answer
    x = 56,884.12

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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.