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Finding the Fourth Proportional to 151,398.72, 227,000.88 and 67,184.64

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Solution

The fourth proportional to 151,398.72, 227,000.88 and 67,184.64 is: 100,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,398.72 : 227,000.88 = 67,184.64 : x
  2. Step 2: Convert to fraction form
    151,398.72/227,000.88 = 67,184.64/x
  3. Step 3: Cross multiply
    151,398.72x = 227,000.88 × 67,184.64
  4. Step 4: Simplify right side
    151,398.72x = 15,250,972,402.48
  5. Step 5: Solve for x
    x = 15,250,972,402.48/151,398.72
  6. Step 6: Final answer
    x = 100,733.83

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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.