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Finding the Fourth Proportional to 373,082.31, 559,703.43 and 120,377.25

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Solution

The fourth proportional to 373,082.31, 559,703.43 and 120,377.25 is: 180,591.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,082.31 : 559,703.43 = 120,377.25 : x
  2. Step 2: Convert to fraction form
    373,082.31/559,703.43 = 120,377.25/x
  3. Step 3: Cross multiply
    373,082.31x = 559,703.43 × 120,377.25
  4. Step 4: Simplify right side
    373,082.31x = 67,375,559,718.97
  5. Step 5: Solve for x
    x = 67,375,559,718.97/373,082.31
  6. Step 6: Final answer
    x = 180,591.68

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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.