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Finding the Fourth Proportional to 65,167.75, 89,932.87 and 36,873.44

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Solution

The fourth proportional to 65,167.75, 89,932.87 and 36,873.44 is: 50,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,167.75 : 89,932.87 = 36,873.44 : x
  2. Step 2: Convert to fraction form
    65,167.75/89,932.87 = 36,873.44/x
  3. Step 3: Cross multiply
    65,167.75x = 89,932.87 × 36,873.44
  4. Step 4: Simplify right side
    65,167.75x = 3,316,134,101.61
  5. Step 5: Solve for x
    x = 3,316,134,101.61/65,167.75
  6. Step 6: Final answer
    x = 50,886.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.