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Finding the Fourth Proportional to 95,934.80, 143,902.20 and 61,029.20

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Solution

The fourth proportional to 95,934.80, 143,902.20 and 61,029.20 is: 91,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,934.80 : 143,902.20 = 61,029.20 : x
  2. Step 2: Convert to fraction form
    95,934.80/143,902.20 = 61,029.20/x
  3. Step 3: Cross multiply
    95,934.80x = 143,902.20 × 61,029.20
  4. Step 4: Simplify right side
    95,934.80x = 8,782,236,144.24
  5. Step 5: Solve for x
    x = 8,782,236,144.24/95,934.80
  6. Step 6: Final answer
    x = 91,543.80

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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.