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Finding the Fourth Proportional to 242,424.43, 363,235.69 and 123,932.77

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Solution

The fourth proportional to 242,424.43, 363,235.69 and 123,932.77 is: 185,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,424.43 : 363,235.69 = 123,932.77 : x
  2. Step 2: Convert to fraction form
    242,424.43/363,235.69 = 123,932.77/x
  3. Step 3: Cross multiply
    242,424.43x = 363,235.69 × 123,932.77
  4. Step 4: Simplify right side
    242,424.43x = 45,016,805,224.56
  5. Step 5: Solve for x
    x = 45,016,805,224.56/242,424.43
  6. Step 6: Final answer
    x = 185,694.18

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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.