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Finding the Fourth Proportional to 95,972.80, 143,894.40 and 49,187.20

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Solution

The fourth proportional to 95,972.80, 143,894.40 and 49,187.20 is: 73,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,972.80 : 143,894.40 = 49,187.20 : x
  2. Step 2: Convert to fraction form
    95,972.80/143,894.40 = 49,187.20/x
  3. Step 3: Cross multiply
    95,972.80x = 143,894.40 × 49,187.20
  4. Step 4: Simplify right side
    95,972.80x = 7,077,762,631.68
  5. Step 5: Solve for x
    x = 7,077,762,631.68/95,972.80
  6. Step 6: Final answer
    x = 73,747.59

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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.