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Finding the Fourth Proportional to 149,687.20, 223,882.80 and 134,005.60

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Solution

The fourth proportional to 149,687.20, 223,882.80 and 134,005.60 is: 200,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,687.20 : 223,882.80 = 134,005.60 : x
  2. Step 2: Convert to fraction form
    149,687.20/223,882.80 = 134,005.60/x
  3. Step 3: Cross multiply
    149,687.20x = 223,882.80 × 134,005.60
  4. Step 4: Simplify right side
    149,687.20x = 30,001,548,943.68
  5. Step 5: Solve for x
    x = 30,001,548,943.68/149,687.20
  6. Step 6: Final answer
    x = 200,428.29

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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.