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Finding the Fourth Proportional to 117,939.26, 162,754.58 and 66,951.55

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Solution

The fourth proportional to 117,939.26, 162,754.58 and 66,951.55 is: 92,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.26 : 162,754.58 = 66,951.55 : x
  2. Step 2: Convert to fraction form
    117,939.26/162,754.58 = 66,951.55/x
  3. Step 3: Cross multiply
    117,939.26x = 162,754.58 × 66,951.55
  4. Step 4: Simplify right side
    117,939.26x = 10,896,670,658.95
  5. Step 5: Solve for x
    x = 10,896,670,658.95/117,939.26
  6. Step 6: Final answer
    x = 92,392.22

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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.