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Finding the Fourth Proportional to 95,431.98, 143,148 and 36,253.68

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Solution

The fourth proportional to 95,431.98, 143,148 and 36,253.68 is: 54,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,431.98 : 143,148 = 36,253.68 : x
  2. Step 2: Convert to fraction form
    95,431.98/143,148 = 36,253.68/x
  3. Step 3: Cross multiply
    95,431.98x = 143,148 × 36,253.68
  4. Step 4: Simplify right side
    95,431.98x = 5,189,641,784.64
  5. Step 5: Solve for x
    x = 5,189,641,784.64/95,431.98
  6. Step 6: Final answer
    x = 54,380.53

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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.