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Finding the Fourth Proportional to 151,250.80, 226,876.20 and 127,631.20

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Solution

The fourth proportional to 151,250.80, 226,876.20 and 127,631.20 is: 191,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,250.80 : 226,876.20 = 127,631.20 : x
  2. Step 2: Convert to fraction form
    151,250.80/226,876.20 = 127,631.20/x
  3. Step 3: Cross multiply
    151,250.80x = 226,876.20 × 127,631.20
  4. Step 4: Simplify right side
    151,250.80x = 28,956,481,657.44
  5. Step 5: Solve for x
    x = 28,956,481,657.44/151,250.80
  6. Step 6: Final answer
    x = 191,446.80

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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.