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Finding the Fourth Proportional to 367,711.89, 551,057.52 and 167,543.07

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Solution

The fourth proportional to 367,711.89, 551,057.52 and 167,543.07 is: 251,082.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,711.89 : 551,057.52 = 167,543.07 : x
  2. Step 2: Convert to fraction form
    367,711.89/551,057.52 = 167,543.07/x
  3. Step 3: Cross multiply
    367,711.89x = 551,057.52 × 167,543.07
  4. Step 4: Simplify right side
    367,711.89x = 92,325,868,647.39
  5. Step 5: Solve for x
    x = 92,325,868,647.39/367,711.89
  6. Step 6: Final answer
    x = 251,082.09

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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.