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Finding the Fourth Proportional to 123,753.65, 185,718.97 and 52,726.03

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Solution

The fourth proportional to 123,753.65, 185,718.97 and 52,726.03 is: 79,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,753.65 : 185,718.97 = 52,726.03 : x
  2. Step 2: Convert to fraction form
    123,753.65/185,718.97 = 52,726.03/x
  3. Step 3: Cross multiply
    123,753.65x = 185,718.97 × 52,726.03
  4. Step 4: Simplify right side
    123,753.65x = 9,792,223,983.79
  5. Step 5: Solve for x
    x = 9,792,223,983.79/123,753.65
  6. Step 6: Final answer
    x = 79,126.75

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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.