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Finding the Fourth Proportional to 87,875.68, 131,792.68 and 37,928.50

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Solution

The fourth proportional to 87,875.68, 131,792.68 and 37,928.50 is: 56,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,875.68 : 131,792.68 = 37,928.50 : x
  2. Step 2: Convert to fraction form
    87,875.68/131,792.68 = 37,928.50/x
  3. Step 3: Cross multiply
    87,875.68x = 131,792.68 × 37,928.50
  4. Step 4: Simplify right side
    87,875.68x = 4,998,698,239.08
  5. Step 5: Solve for x
    x = 4,998,698,239.08/87,875.68
  6. Step 6: Final answer
    x = 56,883.75

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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.