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Finding the Fourth Proportional to 95,393.43, 143,082.99 and 39,218.31

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Solution

The fourth proportional to 95,393.43, 143,082.99 and 39,218.31 is: 58,824.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,393.43 : 143,082.99 = 39,218.31 : x
  2. Step 2: Convert to fraction form
    95,393.43/143,082.99 = 39,218.31/x
  3. Step 3: Cross multiply
    95,393.43x = 143,082.99 × 39,218.31
  4. Step 4: Simplify right side
    95,393.43x = 5,611,473,057.55
  5. Step 5: Solve for x
    x = 5,611,473,057.55/95,393.43
  6. Step 6: Final answer
    x = 58,824.52

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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.