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Finding the Fourth Proportional to 65,167.38, 97,750.04 and 20,793.87

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Solution

The fourth proportional to 65,167.38, 97,750.04 and 20,793.87 is: 31,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,167.38 : 97,750.04 = 20,793.87 : x
  2. Step 2: Convert to fraction form
    65,167.38/97,750.04 = 20,793.87/x
  3. Step 3: Cross multiply
    65,167.38x = 97,750.04 × 20,793.87
  4. Step 4: Simplify right side
    65,167.38x = 2,032,601,520.29
  5. Step 5: Solve for x
    x = 2,032,601,520.29/65,167.38
  6. Step 6: Final answer
    x = 31,190.47

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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.