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Finding the Fourth Proportional to 64,462.28, 88,966.08 and 36,167.78

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Solution

The fourth proportional to 64,462.28, 88,966.08 and 36,167.78 is: 49,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,462.28 : 88,966.08 = 36,167.78 : x
  2. Step 2: Convert to fraction form
    64,462.28/88,966.08 = 36,167.78/x
  3. Step 3: Cross multiply
    64,462.28x = 88,966.08 × 36,167.78
  4. Step 4: Simplify right side
    64,462.28x = 3,217,705,608.90
  5. Step 5: Solve for x
    x = 3,217,705,608.90/64,462.28
  6. Step 6: Final answer
    x = 49,916.10

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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.