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Finding the Fourth Proportional to 143,843.66, 215,838.38 and 95,845.08

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Solution

The fourth proportional to 143,843.66, 215,838.38 and 95,845.08 is: 143,816.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,843.66 : 215,838.38 = 95,845.08 : x
  2. Step 2: Convert to fraction form
    143,843.66/215,838.38 = 95,845.08/x
  3. Step 3: Cross multiply
    143,843.66x = 215,838.38 × 95,845.08
  4. Step 4: Simplify right side
    143,843.66x = 20,687,046,318.95
  5. Step 5: Solve for x
    x = 20,687,046,318.95/143,843.66
  6. Step 6: Final answer
    x = 143,816.18

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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.