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Finding the Fourth Proportional to 311,540.10, 467,310.15 and 101,199.30

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Solution

The fourth proportional to 311,540.10, 467,310.15 and 101,199.30 is: 151,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,540.10 : 467,310.15 = 101,199.30 : x
  2. Step 2: Convert to fraction form
    311,540.10/467,310.15 = 101,199.30/x
  3. Step 3: Cross multiply
    311,540.10x = 467,310.15 × 101,199.30
  4. Step 4: Simplify right side
    311,540.10x = 47,291,460,062.90
  5. Step 5: Solve for x
    x = 47,291,460,062.90/311,540.10
  6. Step 6: Final answer
    x = 151,798.95

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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.