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Finding the Fourth Proportional to 151,991.46, 227,965.32 and 88,840.62

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Solution

The fourth proportional to 151,991.46, 227,965.32 and 88,840.62 is: 133,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,991.46 : 227,965.32 = 88,840.62 : x
  2. Step 2: Convert to fraction form
    151,991.46/227,965.32 = 88,840.62/x
  3. Step 3: Cross multiply
    151,991.46x = 227,965.32 × 88,840.62
  4. Step 4: Simplify right side
    151,991.46x = 20,252,580,367.30
  5. Step 5: Solve for x
    x = 20,252,580,367.30/151,991.46
  6. Step 6: Final answer
    x = 133,248.15

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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.