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Finding the Fourth Proportional to 95,853.40, 143,780.10 and 67,859.80

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Solution

The fourth proportional to 95,853.40, 143,780.10 and 67,859.80 is: 101,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,853.40 : 143,780.10 = 67,859.80 : x
  2. Step 2: Convert to fraction form
    95,853.40/143,780.10 = 67,859.80/x
  3. Step 3: Cross multiply
    95,853.40x = 143,780.10 × 67,859.80
  4. Step 4: Simplify right side
    95,853.40x = 9,756,888,829.98
  5. Step 5: Solve for x
    x = 9,756,888,829.98/95,853.40
  6. Step 6: Final answer
    x = 101,789.70

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Similar ratio
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1.5x scale

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.