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Finding the Fourth Proportional to 143,882.87, 215,844.01 and 49,087.62

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Solution

The fourth proportional to 143,882.87, 215,844.01 and 49,087.62 is: 73,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,882.87 : 215,844.01 = 49,087.62 : x
  2. Step 2: Convert to fraction form
    143,882.87/215,844.01 = 49,087.62/x
  3. Step 3: Cross multiply
    143,882.87x = 215,844.01 × 49,087.62
  4. Step 4: Simplify right side
    143,882.87x = 10,595,268,619.44
  5. Step 5: Solve for x
    x = 10,595,268,619.44/143,882.87
  6. Step 6: Final answer
    x = 73,638.15

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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.