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Finding the Fourth Proportional to 79,151.27, 118,728.41 and 25,843.14

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Solution

The fourth proportional to 79,151.27, 118,728.41 and 25,843.14 is: 38,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,151.27 : 118,728.41 = 25,843.14 : x
  2. Step 2: Convert to fraction form
    79,151.27/118,728.41 = 25,843.14/x
  3. Step 3: Cross multiply
    79,151.27x = 118,728.41 × 25,843.14
  4. Step 4: Simplify right side
    79,151.27x = 3,068,314,792.39
  5. Step 5: Solve for x
    x = 3,068,314,792.39/79,151.27
  6. Step 6: Final answer
    x = 38,765.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.