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Finding the Fourth Proportional to 548,082.45, 822,123.68 and 148,772.70

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Solution

The fourth proportional to 548,082.45, 822,123.68 and 148,772.70 is: 223,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,082.45 : 822,123.68 = 148,772.70 : x
  2. Step 2: Convert to fraction form
    548,082.45/822,123.68 = 148,772.70/x
  3. Step 3: Cross multiply
    548,082.45x = 822,123.68 × 148,772.70
  4. Step 4: Simplify right side
    548,082.45x = 122,309,558,863.67
  5. Step 5: Solve for x
    x = 122,309,558,863.67/548,082.45
  6. Step 6: Final answer
    x = 223,159.05

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Similar ratio
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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.