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Finding the Fourth Proportional to 247,608.28, 341,699.42 and 134,431.04

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Solution

The fourth proportional to 247,608.28, 341,699.42 and 134,431.04 is: 185,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,608.28 : 341,699.42 = 134,431.04 : x
  2. Step 2: Convert to fraction form
    247,608.28/341,699.42 = 134,431.04/x
  3. Step 3: Cross multiply
    247,608.28x = 341,699.42 × 134,431.04
  4. Step 4: Simplify right side
    247,608.28x = 45,935,008,398.00
  5. Step 5: Solve for x
    x = 45,935,008,398.00/247,608.28
  6. Step 6: Final answer
    x = 185,514.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.