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Finding the Fourth Proportional to 475,082.52, 712,566.42 and 120,099.66

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Solution

The fourth proportional to 475,082.52, 712,566.42 and 120,099.66 is: 180,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,082.52 : 712,566.42 = 120,099.66 : x
  2. Step 2: Convert to fraction form
    475,082.52/712,566.42 = 120,099.66/x
  3. Step 3: Cross multiply
    475,082.52x = 712,566.42 × 120,099.66
  4. Step 4: Simplify right side
    475,082.52x = 85,578,984,769.42
  5. Step 5: Solve for x
    x = 85,578,984,769.42/475,082.52
  6. Step 6: Final answer
    x = 180,134.99

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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.