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Finding the Fourth Proportional to 95,365.26, 143,020.62 and 38,439

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Solution

The fourth proportional to 95,365.26, 143,020.62 and 38,439 is: 57,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,365.26 : 143,020.62 = 38,439 : x
  2. Step 2: Convert to fraction form
    95,365.26/143,020.62 = 38,439/x
  3. Step 3: Cross multiply
    95,365.26x = 143,020.62 × 38,439
  4. Step 4: Simplify right side
    95,365.26x = 5,497,569,612.18
  5. Step 5: Solve for x
    x = 5,497,569,612.18/95,365.26
  6. Step 6: Final answer
    x = 57,647.51

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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.