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Finding the Fourth Proportional to 367,651.20, 551,000.02 and 165,097.74

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Solution

The fourth proportional to 367,651.20, 551,000.02 and 165,097.74 is: 247,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,651.20 : 551,000.02 = 165,097.74 : x
  2. Step 2: Convert to fraction form
    367,651.20/551,000.02 = 165,097.74/x
  3. Step 3: Cross multiply
    367,651.20x = 551,000.02 × 165,097.74
  4. Step 4: Simplify right side
    367,651.20x = 90,968,858,041.95
  5. Step 5: Solve for x
    x = 90,968,858,041.95/367,651.20
  6. Step 6: Final answer
    x = 247,432.51

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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.