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Finding the Fourth Proportional to 147,906.24, 204,110.08 and 80,838.24

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Solution

The fourth proportional to 147,906.24, 204,110.08 and 80,838.24 is: 111,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,906.24 : 204,110.08 = 80,838.24 : x
  2. Step 2: Convert to fraction form
    147,906.24/204,110.08 = 80,838.24/x
  3. Step 3: Cross multiply
    147,906.24x = 204,110.08 × 80,838.24
  4. Step 4: Simplify right side
    147,906.24x = 16,499,899,633.46
  5. Step 5: Solve for x
    x = 16,499,899,633.46/147,906.24
  6. Step 6: Final answer
    x = 111,556.48

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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.