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Finding the Fourth Proportional to 112,658.45, 155,458.02 and 67,327.41

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Solution

The fourth proportional to 112,658.45, 155,458.02 and 67,327.41 is: 92,905.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,658.45 : 155,458.02 = 67,327.41 : x
  2. Step 2: Convert to fraction form
    112,658.45/155,458.02 = 67,327.41/x
  3. Step 3: Cross multiply
    112,658.45x = 155,458.02 × 67,327.41
  4. Step 4: Simplify right side
    112,658.45x = 10,466,585,850.33
  5. Step 5: Solve for x
    x = 10,466,585,850.33/112,658.45
  6. Step 6: Final answer
    x = 92,905.47

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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.