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Finding the Fourth Proportional to 83,363.18, 125,068.18 and 33,478.30

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Solution

The fourth proportional to 83,363.18, 125,068.18 and 33,478.30 is: 50,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.18 : 125,068.18 = 33,478.30 : x
  2. Step 2: Convert to fraction form
    83,363.18/125,068.18 = 33,478.30/x
  3. Step 3: Cross multiply
    83,363.18x = 125,068.18 × 33,478.30
  4. Step 4: Simplify right side
    83,363.18x = 4,187,069,966.80
  5. Step 5: Solve for x
    x = 4,187,069,966.80/83,363.18
  6. Step 6: Final answer
    x = 50,226.85

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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.