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Finding the Fourth Proportional to 143,801.27, 215,702.45 and 43,961.08

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Solution

The fourth proportional to 143,801.27, 215,702.45 and 43,961.08 is: 65,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,801.27 : 215,702.45 = 43,961.08 : x
  2. Step 2: Convert to fraction form
    143,801.27/215,702.45 = 43,961.08/x
  3. Step 3: Cross multiply
    143,801.27x = 215,702.45 × 43,961.08
  4. Step 4: Simplify right side
    143,801.27x = 9,482,512,660.65
  5. Step 5: Solve for x
    x = 9,482,512,660.65/143,801.27
  6. Step 6: Final answer
    x = 65,941.79

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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.