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Finding the Fourth Proportional to 166,851.29, 250,250.38 and 54,530.57

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Solution

The fourth proportional to 166,851.29, 250,250.38 and 54,530.57 is: 81,787.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,851.29 : 250,250.38 = 54,530.57 : x
  2. Step 2: Convert to fraction form
    166,851.29/250,250.38 = 54,530.57/x
  3. Step 3: Cross multiply
    166,851.29x = 250,250.38 × 54,530.57
  4. Step 4: Simplify right side
    166,851.29x = 13,646,295,864.12
  5. Step 5: Solve for x
    x = 13,646,295,864.12/166,851.29
  6. Step 6: Final answer
    x = 81,787.18

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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.