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Finding the Fourth Proportional to 168,025.16, 231,874.74 and 92,573

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Solution

The fourth proportional to 168,025.16, 231,874.74 and 92,573 is: 127,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025.16 : 231,874.74 = 92,573 : x
  2. Step 2: Convert to fraction form
    168,025.16/231,874.74 = 92,573/x
  3. Step 3: Cross multiply
    168,025.16x = 231,874.74 × 92,573
  4. Step 4: Simplify right side
    168,025.16x = 21,465,340,306.02
  5. Step 5: Solve for x
    x = 21,465,340,306.02/168,025.16
  6. Step 6: Final answer
    x = 127,750.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.