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Finding the Fourth Proportional to 95,611.13, 143,411.23 and 36,452.78

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Solution

The fourth proportional to 95,611.13, 143,411.23 and 36,452.78 is: 54,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,611.13 : 143,411.23 = 36,452.78 : x
  2. Step 2: Convert to fraction form
    95,611.13/143,411.23 = 36,452.78/x
  3. Step 3: Cross multiply
    95,611.13x = 143,411.23 × 36,452.78
  4. Step 4: Simplify right side
    95,611.13x = 5,227,738,016.72
  5. Step 5: Solve for x
    x = 5,227,738,016.72/95,611.13
  6. Step 6: Final answer
    x = 54,677.09

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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.