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Finding the Fourth Proportional to 218,462.54, 327,821.18 and 92,095.04

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Solution

The fourth proportional to 218,462.54, 327,821.18 and 92,095.04 is: 138,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,462.54 : 327,821.18 = 92,095.04 : x
  2. Step 2: Convert to fraction form
    218,462.54/327,821.18 = 92,095.04/x
  3. Step 3: Cross multiply
    218,462.54x = 327,821.18 × 92,095.04
  4. Step 4: Simplify right side
    218,462.54x = 30,190,705,044.02
  5. Step 5: Solve for x
    x = 30,190,705,044.02/218,462.54
  6. Step 6: Final answer
    x = 138,196.26

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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.