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Finding the Fourth Proportional to 177,551.90, 266,101.05 and 72,251.90

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Solution

The fourth proportional to 177,551.90, 266,101.05 and 72,251.90 is: 108,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,551.90 : 266,101.05 = 72,251.90 : x
  2. Step 2: Convert to fraction form
    177,551.90/266,101.05 = 72,251.90/x
  3. Step 3: Cross multiply
    177,551.90x = 266,101.05 × 72,251.90
  4. Step 4: Simplify right side
    177,551.90x = 19,226,306,454.50
  5. Step 5: Solve for x
    x = 19,226,306,454.50/177,551.90
  6. Step 6: Final answer
    x = 108,285.56

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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.