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Finding the Fourth Proportional to 95,348.78, 143,069.25 and 39,230.30

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Solution

The fourth proportional to 95,348.78, 143,069.25 and 39,230.30 is: 58,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,348.78 : 143,069.25 = 39,230.30 : x
  2. Step 2: Convert to fraction form
    95,348.78/143,069.25 = 39,230.30/x
  3. Step 3: Cross multiply
    95,348.78x = 143,069.25 × 39,230.30
  4. Step 4: Simplify right side
    95,348.78x = 5,612,649,598.28
  5. Step 5: Solve for x
    x = 5,612,649,598.28/95,348.78
  6. Step 6: Final answer
    x = 58,864.41

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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.