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Finding the Fourth Proportional to 95,887.67, 143,757.38 and 66,219.80

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Solution

The fourth proportional to 95,887.67, 143,757.38 and 66,219.80 is: 99,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,887.67 : 143,757.38 = 66,219.80 : x
  2. Step 2: Convert to fraction form
    95,887.67/143,757.38 = 66,219.80/x
  3. Step 3: Cross multiply
    95,887.67x = 143,757.38 × 66,219.80
  4. Step 4: Simplify right side
    95,887.67x = 9,519,584,398.89
  5. Step 5: Solve for x
    x = 9,519,584,398.89/95,887.67
  6. Step 6: Final answer
    x = 99,278.51

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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.