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Finding the Fourth Proportional to 311,310.27, 466,678.26 and 121,899.67

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Solution

The fourth proportional to 311,310.27, 466,678.26 and 121,899.67 is: 182,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,310.27 : 466,678.26 = 121,899.67 : x
  2. Step 2: Convert to fraction form
    311,310.27/466,678.26 = 121,899.67/x
  3. Step 3: Cross multiply
    311,310.27x = 466,678.26 × 121,899.67
  4. Step 4: Simplify right side
    311,310.27x = 56,887,924,723.48
  5. Step 5: Solve for x
    x = 56,887,924,723.48/311,310.27
  6. Step 6: Final answer
    x = 182,737.06

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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.