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Finding the Fourth Proportional to 242,358.28, 363,703.48 and 84,586.73

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Solution

The fourth proportional to 242,358.28, 363,703.48 and 84,586.73 is: 126,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,358.28 : 363,703.48 = 84,586.73 : x
  2. Step 2: Convert to fraction form
    242,358.28/363,703.48 = 84,586.73/x
  3. Step 3: Cross multiply
    242,358.28x = 363,703.48 × 84,586.73
  4. Step 4: Simplify right side
    242,358.28x = 30,764,488,062.82
  5. Step 5: Solve for x
    x = 30,764,488,062.82/242,358.28
  6. Step 6: Final answer
    x = 126,938.06

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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.