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Finding the Fourth Proportional to 79,392.78, 119,087.96 and 26,839.17

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Solution

The fourth proportional to 79,392.78, 119,087.96 and 26,839.17 is: 40,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,392.78 : 119,087.96 = 26,839.17 : x
  2. Step 2: Convert to fraction form
    79,392.78/119,087.96 = 26,839.17/x
  3. Step 3: Cross multiply
    79,392.78x = 119,087.96 × 26,839.17
  4. Step 4: Simplify right side
    79,392.78x = 3,196,221,869.20
  5. Step 5: Solve for x
    x = 3,196,221,869.20/79,392.78
  6. Step 6: Final answer
    x = 40,258.34

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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.