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Finding the Fourth Proportional to 242,516.88, 363,104.64 and 123,932.88

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Solution

The fourth proportional to 242,516.88, 363,104.64 and 123,932.88 is: 185,556.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,516.88 : 363,104.64 = 123,932.88 : x
  2. Step 2: Convert to fraction form
    242,516.88/363,104.64 = 123,932.88/x
  3. Step 3: Cross multiply
    242,516.88x = 363,104.64 × 123,932.88
  4. Step 4: Simplify right side
    242,516.88x = 45,000,603,776.56
  5. Step 5: Solve for x
    x = 45,000,603,776.56/242,516.88
  6. Step 6: Final answer
    x = 185,556.58

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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.