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Finding the Fourth Proportional to 124,425.82, 186,716.13 and 50,553.82

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Solution

The fourth proportional to 124,425.82, 186,716.13 and 50,553.82 is: 75,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,425.82 : 186,716.13 = 50,553.82 : x
  2. Step 2: Convert to fraction form
    124,425.82/186,716.13 = 50,553.82/x
  3. Step 3: Cross multiply
    124,425.82x = 186,716.13 × 50,553.82
  4. Step 4: Simplify right side
    124,425.82x = 9,439,213,627.12
  5. Step 5: Solve for x
    x = 9,439,213,627.12/124,425.82
  6. Step 6: Final answer
    x = 75,862.18

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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.