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Finding the Fourth Proportional to 167,706.78, 231,435.27 and 92,254.74

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Solution

The fourth proportional to 167,706.78, 231,435.27 and 92,254.74 is: 127,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,706.78 : 231,435.27 = 92,254.74 : x
  2. Step 2: Convert to fraction form
    167,706.78/231,435.27 = 92,254.74/x
  3. Step 3: Cross multiply
    167,706.78x = 231,435.27 × 92,254.74
  4. Step 4: Simplify right side
    167,706.78x = 21,351,000,660.68
  5. Step 5: Solve for x
    x = 21,351,000,660.68/167,706.78
  6. Step 6: Final answer
    x = 127,311.49

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1.5x scale

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.