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Finding the Fourth Proportional to 151,612.70, 227,569.56 and 80,535.98

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Solution

The fourth proportional to 151,612.70, 227,569.56 and 80,535.98 is: 120,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,612.70 : 227,569.56 = 80,535.98 : x
  2. Step 2: Convert to fraction form
    151,612.70/227,569.56 = 80,535.98/x
  3. Step 3: Cross multiply
    151,612.70x = 227,569.56 × 80,535.98
  4. Step 4: Simplify right side
    151,612.70x = 18,327,537,799.68
  5. Step 5: Solve for x
    x = 18,327,537,799.68/151,612.70
  6. Step 6: Final answer
    x = 120,883.93

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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.