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Finding the Fourth Proportional to 218,670.08, 327,838.72 and 92,348.96

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Solution

The fourth proportional to 218,670.08, 327,838.72 and 92,348.96 is: 138,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,670.08 : 327,838.72 = 92,348.96 : x
  2. Step 2: Convert to fraction form
    218,670.08/327,838.72 = 92,348.96/x
  3. Step 3: Cross multiply
    218,670.08x = 327,838.72 × 92,348.96
  4. Step 4: Simplify right side
    218,670.08x = 30,275,564,839.73
  5. Step 5: Solve for x
    x = 30,275,564,839.73/218,670.08
  6. Step 6: Final answer
    x = 138,453.17

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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.