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Finding the Fourth Proportional to 95,338.50, 143,045.41 and 36,189.87

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Solution

The fourth proportional to 95,338.50, 143,045.41 and 36,189.87 is: 54,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,338.50 : 143,045.41 = 36,189.87 : x
  2. Step 2: Convert to fraction form
    95,338.50/143,045.41 = 36,189.87/x
  3. Step 3: Cross multiply
    95,338.50x = 143,045.41 × 36,189.87
  4. Step 4: Simplify right side
    95,338.50x = 5,176,794,792.00
  5. Step 5: Solve for x
    x = 5,176,794,792.00/95,338.50
  6. Step 6: Final answer
    x = 54,299.10

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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.