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Finding the Fourth Proportional to 151,807.70, 227,711.55 and 106,536.80

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Solution

The fourth proportional to 151,807.70, 227,711.55 and 106,536.80 is: 159,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,807.70 : 227,711.55 = 106,536.80 : x
  2. Step 2: Convert to fraction form
    151,807.70/227,711.55 = 106,536.80/x
  3. Step 3: Cross multiply
    151,807.70x = 227,711.55 × 106,536.80
  4. Step 4: Simplify right side
    151,807.70x = 24,259,659,860.04
  5. Step 5: Solve for x
    x = 24,259,659,860.04/151,807.70
  6. Step 6: Final answer
    x = 159,805.20

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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.