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Finding the Fourth Proportional to 242,299.52, 363,345.60 and 84,481.28

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Solution

The fourth proportional to 242,299.52, 363,345.60 and 84,481.28 is: 126,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,299.52 : 363,345.60 = 84,481.28 : x
  2. Step 2: Convert to fraction form
    242,299.52/363,345.60 = 84,481.28/x
  3. Step 3: Cross multiply
    242,299.52x = 363,345.60 × 84,481.28
  4. Step 4: Simplify right side
    242,299.52x = 30,695,901,370.37
  5. Step 5: Solve for x
    x = 30,695,901,370.37/242,299.52
  6. Step 6: Final answer
    x = 126,685.77

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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.