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Finding the Fourth Proportional to 151,381.80, 227,072.70 and 88,396.20

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Solution

The fourth proportional to 151,381.80, 227,072.70 and 88,396.20 is: 132,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,381.80 : 227,072.70 = 88,396.20 : x
  2. Step 2: Convert to fraction form
    151,381.80/227,072.70 = 88,396.20/x
  3. Step 3: Cross multiply
    151,381.80x = 227,072.70 × 88,396.20
  4. Step 4: Simplify right side
    151,381.80x = 20,072,363,803.74
  5. Step 5: Solve for x
    x = 20,072,363,803.74/151,381.80
  6. Step 6: Final answer
    x = 132,594.30

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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.