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Finding the Fourth Proportional to 262,891.70, 394,337.55 and 96,658.10

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Solution

The fourth proportional to 262,891.70, 394,337.55 and 96,658.10 is: 144,987.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,891.70 : 394,337.55 = 96,658.10 : x
  2. Step 2: Convert to fraction form
    262,891.70/394,337.55 = 96,658.10/x
  3. Step 3: Cross multiply
    262,891.70x = 394,337.55 × 96,658.10
  4. Step 4: Simplify right side
    262,891.70x = 38,115,918,341.66
  5. Step 5: Solve for x
    x = 38,115,918,341.66/262,891.70
  6. Step 6: Final answer
    x = 144,987.15

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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.