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Finding the Fourth Proportional to 151,754.60, 227,631.90 and 80,895.80

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Solution

The fourth proportional to 151,754.60, 227,631.90 and 80,895.80 is: 121,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,754.60 : 227,631.90 = 80,895.80 : x
  2. Step 2: Convert to fraction form
    151,754.60/227,631.90 = 80,895.80/x
  3. Step 3: Cross multiply
    151,754.60x = 227,631.90 × 80,895.80
  4. Step 4: Simplify right side
    151,754.60x = 18,414,464,656.02
  5. Step 5: Solve for x
    x = 18,414,464,656.02/151,754.60
  6. Step 6: Final answer
    x = 121,343.70

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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.