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Finding the Fourth Proportional to 65,868.57, 98,807.25 and 23,168.88

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Solution

The fourth proportional to 65,868.57, 98,807.25 and 23,168.88 is: 34,754.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,868.57 : 98,807.25 = 23,168.88 : x
  2. Step 2: Convert to fraction form
    65,868.57/98,807.25 = 23,168.88/x
  3. Step 3: Cross multiply
    65,868.57x = 98,807.25 × 23,168.88
  4. Step 4: Simplify right side
    65,868.57x = 2,289,253,318.38
  5. Step 5: Solve for x
    x = 2,289,253,318.38/65,868.57
  6. Step 6: Final answer
    x = 34,754.87

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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.