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Finding the Fourth Proportional to 87,655.96, 131,470.98 and 32,239

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Solution

The fourth proportional to 87,655.96, 131,470.98 and 32,239 is: 48,353.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,655.96 : 131,470.98 = 32,239 : x
  2. Step 2: Convert to fraction form
    87,655.96/131,470.98 = 32,239/x
  3. Step 3: Cross multiply
    87,655.96x = 131,470.98 × 32,239
  4. Step 4: Simplify right side
    87,655.96x = 4,238,492,924.22
  5. Step 5: Solve for x
    x = 4,238,492,924.22/87,655.96
  6. Step 6: Final answer
    x = 48,353.73

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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.