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Finding the Fourth Proportional to 177,414.30, 266,121.45 and 127,388.70

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Solution

The fourth proportional to 177,414.30, 266,121.45 and 127,388.70 is: 191,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,414.30 : 266,121.45 = 127,388.70 : x
  2. Step 2: Convert to fraction form
    177,414.30/266,121.45 = 127,388.70/x
  3. Step 3: Cross multiply
    177,414.30x = 266,121.45 × 127,388.70
  4. Step 4: Simplify right side
    177,414.30x = 33,900,865,557.62
  5. Step 5: Solve for x
    x = 33,900,865,557.62/177,414.30
  6. Step 6: Final answer
    x = 191,083.05

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1.5x scale

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.