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Finding the Fourth Proportional to 79,227.36, 118,843.12 and 23,065.20

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Solution

The fourth proportional to 79,227.36, 118,843.12 and 23,065.20 is: 34,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.36 : 118,843.12 = 23,065.20 : x
  2. Step 2: Convert to fraction form
    79,227.36/118,843.12 = 23,065.20/x
  3. Step 3: Cross multiply
    79,227.36x = 118,843.12 × 23,065.20
  4. Step 4: Simplify right side
    79,227.36x = 2,741,140,331.42
  5. Step 5: Solve for x
    x = 2,741,140,331.42/79,227.36
  6. Step 6: Final answer
    x = 34,598.41

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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.