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Finding the Fourth Proportional to 242,424.18, 363,235.32 and 123,932.52

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Solution

The fourth proportional to 242,424.18, 363,235.32 and 123,932.52 is: 185,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,424.18 : 363,235.32 = 123,932.52 : x
  2. Step 2: Convert to fraction form
    242,424.18/363,235.32 = 123,932.52/x
  3. Step 3: Cross multiply
    242,424.18x = 363,235.32 × 123,932.52
  4. Step 4: Simplify right side
    242,424.18x = 45,016,668,560.61
  5. Step 5: Solve for x
    x = 45,016,668,560.61/242,424.18
  6. Step 6: Final answer
    x = 185,693.81

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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.