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Finding the Fourth Proportional to 95,481.40, 143,280.60 and 39,348.40

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Solution

The fourth proportional to 95,481.40, 143,280.60 and 39,348.40 is: 59,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,481.40 : 143,280.60 = 39,348.40 : x
  2. Step 2: Convert to fraction form
    95,481.40/143,280.60 = 39,348.40/x
  3. Step 3: Cross multiply
    95,481.40x = 143,280.60 × 39,348.40
  4. Step 4: Simplify right side
    95,481.40x = 5,637,862,361.04
  5. Step 5: Solve for x
    x = 5,637,862,361.04/95,481.40
  6. Step 6: Final answer
    x = 59,046.71

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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.