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Finding the Fourth Proportional to 143,882.92, 215,816.48 and 44,043.02

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Solution

The fourth proportional to 143,882.92, 215,816.48 and 44,043.02 is: 66,062.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,882.92 : 215,816.48 = 44,043.02 : x
  2. Step 2: Convert to fraction form
    143,882.92/215,816.48 = 44,043.02/x
  3. Step 3: Cross multiply
    143,882.92x = 215,816.48 × 44,043.02
  4. Step 4: Simplify right side
    143,882.92x = 9,505,209,544.97
  5. Step 5: Solve for x
    x = 9,505,209,544.97/143,882.92
  6. Step 6: Final answer
    x = 66,062.11

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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.