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Finding the Fourth Proportional to 317,229.83, 475,654.66 and 100,995.11

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Solution

The fourth proportional to 317,229.83, 475,654.66 and 100,995.11 is: 151,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,229.83 : 475,654.66 = 100,995.11 : x
  2. Step 2: Convert to fraction form
    317,229.83/475,654.66 = 100,995.11/x
  3. Step 3: Cross multiply
    317,229.83x = 475,654.66 × 100,995.11
  4. Step 4: Simplify right side
    317,229.83x = 48,038,792,523.88
  5. Step 5: Solve for x
    x = 48,038,792,523.88/317,229.83
  6. Step 6: Final answer
    x = 151,432.14

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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.