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Finding the Fourth Proportional to 143,951.78, 215,919.88 and 44,112.26

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Solution

The fourth proportional to 143,951.78, 215,919.88 and 44,112.26 is: 66,166.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,951.78 : 215,919.88 = 44,112.26 : x
  2. Step 2: Convert to fraction form
    143,951.78/215,919.88 = 44,112.26/x
  3. Step 3: Cross multiply
    143,951.78x = 215,919.88 × 44,112.26
  4. Step 4: Simplify right side
    143,951.78x = 9,524,714,535.81
  5. Step 5: Solve for x
    x = 9,524,714,535.81/143,951.78
  6. Step 6: Final answer
    x = 66,166.01

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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.