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Finding the Fourth Proportional to 242,059.62, 363,091.06 and 84,287.56

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Solution

The fourth proportional to 242,059.62, 363,091.06 and 84,287.56 is: 126,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,059.62 : 363,091.06 = 84,287.56 : x
  2. Step 2: Convert to fraction form
    242,059.62/363,091.06 = 84,287.56/x
  3. Step 3: Cross multiply
    242,059.62x = 363,091.06 × 84,287.56
  4. Step 4: Simplify right side
    242,059.62x = 30,604,059,505.21
  5. Step 5: Solve for x
    x = 30,604,059,505.21/242,059.62
  6. Step 6: Final answer
    x = 126,431.91

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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.