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Finding the Fourth Proportional to 218,584.36, 327,920.72 and 92,224.91

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Solution

The fourth proportional to 218,584.36, 327,920.72 and 92,224.91 is: 138,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,584.36 : 327,920.72 = 92,224.91 : x
  2. Step 2: Convert to fraction form
    218,584.36/327,920.72 = 92,224.91/x
  3. Step 3: Cross multiply
    218,584.36x = 327,920.72 × 92,224.91
  4. Step 4: Simplify right side
    218,584.36x = 30,242,459,766.58
  5. Step 5: Solve for x
    x = 30,242,459,766.58/218,584.36
  6. Step 6: Final answer
    x = 138,356.01

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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.