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Finding the Fourth Proportional to 242,882.87, 364,335.24 and 74,390.93

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Solution

The fourth proportional to 242,882.87, 364,335.24 and 74,390.93 is: 111,589.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,882.87 : 364,335.24 = 74,390.93 : x
  2. Step 2: Convert to fraction form
    242,882.87/364,335.24 = 74,390.93/x
  3. Step 3: Cross multiply
    242,882.87x = 364,335.24 × 74,390.93
  4. Step 4: Simplify right side
    242,882.87x = 27,103,235,513.70
  5. Step 5: Solve for x
    x = 27,103,235,513.70/242,882.87
  6. Step 6: Final answer
    x = 111,589.74

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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.