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Finding the Fourth Proportional to 178,932.26, 268,398.46 and 84,092.84

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Solution

The fourth proportional to 178,932.26, 268,398.46 and 84,092.84 is: 126,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,932.26 : 268,398.46 = 84,092.84 : x
  2. Step 2: Convert to fraction form
    178,932.26/268,398.46 = 84,092.84/x
  3. Step 3: Cross multiply
    178,932.26x = 268,398.46 × 84,092.84
  4. Step 4: Simplify right side
    178,932.26x = 22,570,388,753.03
  5. Step 5: Solve for x
    x = 22,570,388,753.03/178,932.26
  6. Step 6: Final answer
    x = 126,139.30

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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.