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Finding the Fourth Proportional to 95,593.20, 143,389.80 and 80,386.80

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Solution

The fourth proportional to 95,593.20, 143,389.80 and 80,386.80 is: 120,580.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,593.20 : 143,389.80 = 80,386.80 : x
  2. Step 2: Convert to fraction form
    95,593.20/143,389.80 = 80,386.80/x
  3. Step 3: Cross multiply
    95,593.20x = 143,389.80 × 80,386.80
  4. Step 4: Simplify right side
    95,593.20x = 11,526,647,174.64
  5. Step 5: Solve for x
    x = 11,526,647,174.64/95,593.20
  6. Step 6: Final answer
    x = 120,580.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.