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Finding the Fourth Proportional to 227,679.30, 341,616.15 and 109,289.70

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Solution

The fourth proportional to 227,679.30, 341,616.15 and 109,289.70 is: 163,981.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,679.30 : 341,616.15 = 109,289.70 : x
  2. Step 2: Convert to fraction form
    227,679.30/341,616.15 = 109,289.70/x
  3. Step 3: Cross multiply
    227,679.30x = 341,616.15 × 109,289.70
  4. Step 4: Simplify right side
    227,679.30x = 37,335,126,548.66
  5. Step 5: Solve for x
    x = 37,335,126,548.66/227,679.30
  6. Step 6: Final answer
    x = 163,981.21

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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.