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Finding the Fourth Proportional to 83,082.10, 124,623.15 and 73,896.70

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Solution

The fourth proportional to 83,082.10, 124,623.15 and 73,896.70 is: 110,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,082.10 : 124,623.15 = 73,896.70 : x
  2. Step 2: Convert to fraction form
    83,082.10/124,623.15 = 73,896.70/x
  3. Step 3: Cross multiply
    83,082.10x = 124,623.15 × 73,896.70
  4. Step 4: Simplify right side
    83,082.10x = 9,209,239,528.61
  5. Step 5: Solve for x
    x = 9,209,239,528.61/83,082.10
  6. Step 6: Final answer
    x = 110,845.05

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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.