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Finding the Fourth Proportional to 117,524.56, 162,205.80 and 67,223.44

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Solution

The fourth proportional to 117,524.56, 162,205.80 and 67,223.44 is: 92,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,524.56 : 162,205.80 = 67,223.44 : x
  2. Step 2: Convert to fraction form
    117,524.56/162,205.80 = 67,223.44/x
  3. Step 3: Cross multiply
    117,524.56x = 162,205.80 × 67,223.44
  4. Step 4: Simplify right side
    117,524.56x = 10,904,031,863.95
  5. Step 5: Solve for x
    x = 10,904,031,863.95/117,524.56
  6. Step 6: Final answer
    x = 92,780.88

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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.