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Finding the Fourth Proportional to 242,452.72, 363,699.72 and 74,010.88

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Solution

The fourth proportional to 242,452.72, 363,699.72 and 74,010.88 is: 111,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,452.72 : 363,699.72 = 74,010.88 : x
  2. Step 2: Convert to fraction form
    242,452.72/363,699.72 = 74,010.88/x
  3. Step 3: Cross multiply
    242,452.72x = 363,699.72 × 74,010.88
  4. Step 4: Simplify right side
    242,452.72x = 26,917,736,332.95
  5. Step 5: Solve for x
    x = 26,917,736,332.95/242,452.72
  6. Step 6: Final answer
    x = 111,022.62

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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.