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Finding the Fourth Proportional to 250,576.04, 345,793.92 and 137,398.52

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Solution

The fourth proportional to 250,576.04, 345,793.92 and 137,398.52 is: 189,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,576.04 : 345,793.92 = 137,398.52 : x
  2. Step 2: Convert to fraction form
    250,576.04/345,793.92 = 137,398.52/x
  3. Step 3: Cross multiply
    250,576.04x = 345,793.92 × 137,398.52
  4. Step 4: Simplify right side
    250,576.04x = 47,511,572,833.00
  5. Step 5: Solve for x
    x = 47,511,572,833.00/250,576.04
  6. Step 6: Final answer
    x = 189,609.40

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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.