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Finding the Fourth Proportional to 228,446.88, 342,728.40 and 88,167.84

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Solution

The fourth proportional to 228,446.88, 342,728.40 and 88,167.84 is: 132,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,446.88 : 342,728.40 = 88,167.84 : x
  2. Step 2: Convert to fraction form
    228,446.88/342,728.40 = 88,167.84/x
  3. Step 3: Cross multiply
    228,446.88x = 342,728.40 × 88,167.84
  4. Step 4: Simplify right side
    228,446.88x = 30,217,622,734.66
  5. Step 5: Solve for x
    x = 30,217,622,734.66/228,446.88
  6. Step 6: Final answer
    x = 132,274.18

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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.