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Finding the Fourth Proportional to 95,647.80, 143,466.17 and 36,489.45

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Solution

The fourth proportional to 95,647.80, 143,466.17 and 36,489.45 is: 54,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,647.80 : 143,466.17 = 36,489.45 : x
  2. Step 2: Convert to fraction form
    95,647.80/143,466.17 = 36,489.45/x
  3. Step 3: Cross multiply
    95,647.80x = 143,466.17 × 36,489.45
  4. Step 4: Simplify right side
    95,647.80x = 5,235,001,454.46
  5. Step 5: Solve for x
    x = 5,235,001,454.46/95,647.80
  6. Step 6: Final answer
    x = 54,732.06

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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.