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Finding the Fourth Proportional to 123,952.11, 171,049.10 and 67,362.27

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Solution

The fourth proportional to 123,952.11, 171,049.10 and 67,362.27 is: 92,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,952.11 : 171,049.10 = 67,362.27 : x
  2. Step 2: Convert to fraction form
    123,952.11/171,049.10 = 67,362.27/x
  3. Step 3: Cross multiply
    123,952.11x = 171,049.10 × 67,362.27
  4. Step 4: Simplify right side
    123,952.11x = 11,522,255,320.65
  5. Step 5: Solve for x
    x = 11,522,255,320.65/123,952.11
  6. Step 6: Final answer
    x = 92,957.31

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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.