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Finding the Fourth Proportional to 147,441.92, 203,469.36 and 80,373.92

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Solution

The fourth proportional to 147,441.92, 203,469.36 and 80,373.92 is: 110,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,441.92 : 203,469.36 = 80,373.92 : x
  2. Step 2: Convert to fraction form
    147,441.92/203,469.36 = 80,373.92/x
  3. Step 3: Cross multiply
    147,441.92x = 203,469.36 × 80,373.92
  4. Step 4: Simplify right side
    147,441.92x = 16,353,629,045.74
  5. Step 5: Solve for x
    x = 16,353,629,045.74/147,441.92
  6. Step 6: Final answer
    x = 110,915.74

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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.