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Finding the Fourth Proportional to 143,854.56, 215,781.84 and 44,015.04

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Solution

The fourth proportional to 143,854.56, 215,781.84 and 44,015.04 is: 66,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,854.56 : 215,781.84 = 44,015.04 : x
  2. Step 2: Convert to fraction form
    143,854.56/215,781.84 = 44,015.04/x
  3. Step 3: Cross multiply
    143,854.56x = 215,781.84 × 44,015.04
  4. Step 4: Simplify right side
    143,854.56x = 9,497,646,318.87
  5. Step 5: Solve for x
    x = 9,497,646,318.87/143,854.56
  6. Step 6: Final answer
    x = 66,022.56

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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.