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Finding the Fourth Proportional to 101,630.43, 140,247.27 and 58,608.90

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Solution

The fourth proportional to 101,630.43, 140,247.27 and 58,608.90 is: 80,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,630.43 : 140,247.27 = 58,608.90 : x
  2. Step 2: Convert to fraction form
    101,630.43/140,247.27 = 58,608.90/x
  3. Step 3: Cross multiply
    101,630.43x = 140,247.27 × 58,608.90
  4. Step 4: Simplify right side
    101,630.43x = 8,219,738,222.70
  5. Step 5: Solve for x
    x = 8,219,738,222.70/101,630.43
  6. Step 6: Final answer
    x = 80,878.71

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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.