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Finding the Fourth Proportional to 83,226.30, 124,839.45 and 33,330.30

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Solution

The fourth proportional to 83,226.30, 124,839.45 and 33,330.30 is: 49,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,226.30 : 124,839.45 = 33,330.30 : x
  2. Step 2: Convert to fraction form
    83,226.30/124,839.45 = 33,330.30/x
  3. Step 3: Cross multiply
    83,226.30x = 124,839.45 × 33,330.30
  4. Step 4: Simplify right side
    83,226.30x = 4,160,936,320.34
  5. Step 5: Solve for x
    x = 4,160,936,320.34/83,226.30
  6. Step 6: Final answer
    x = 49,995.45

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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.