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Finding the Fourth Proportional to 227,711.80, 341,567.70 and 159,805.45

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Solution

The fourth proportional to 227,711.80, 341,567.70 and 159,805.45 is: 239,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.80 : 341,567.70 = 159,805.45 : x
  2. Step 2: Convert to fraction form
    227,711.80/341,567.70 = 159,805.45/x
  3. Step 3: Cross multiply
    227,711.80x = 341,567.70 × 159,805.45
  4. Step 4: Simplify right side
    227,711.80x = 54,584,380,003.97
  5. Step 5: Solve for x
    x = 54,584,380,003.97/227,711.80
  6. Step 6: Final answer
    x = 239,708.18

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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.