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Finding the Fourth Proportional to 147,908.92, 204,114.24 and 80,840.92

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Solution

The fourth proportional to 147,908.92, 204,114.24 and 80,840.92 is: 111,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,908.92 : 204,114.24 = 80,840.92 : x
  2. Step 2: Convert to fraction form
    147,908.92/204,114.24 = 80,840.92/x
  3. Step 3: Cross multiply
    147,908.92x = 204,114.24 × 80,840.92
  4. Step 4: Simplify right side
    147,908.92x = 16,500,782,946.70
  5. Step 5: Solve for x
    x = 16,500,782,946.70/147,908.92
  6. Step 6: Final answer
    x = 111,560.43

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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.