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Finding the Fourth Proportional to 95,939.70, 143,908.20 and 43,349.10

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Solution

The fourth proportional to 95,939.70, 143,908.20 and 43,349.10 is: 65,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,939.70 : 143,908.20 = 43,349.10 : x
  2. Step 2: Convert to fraction form
    95,939.70/143,908.20 = 43,349.10/x
  3. Step 3: Cross multiply
    95,939.70x = 143,908.20 × 43,349.10
  4. Step 4: Simplify right side
    95,939.70x = 6,238,290,952.62
  5. Step 5: Solve for x
    x = 6,238,290,952.62/95,939.70
  6. Step 6: Final answer
    x = 65,023.04

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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.