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Finding the Fourth Proportional to 79,219.01, 118,803.71 and 26,616.20

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Solution

The fourth proportional to 79,219.01, 118,803.71 and 26,616.20 is: 39,915.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219.01 : 118,803.71 = 26,616.20 : x
  2. Step 2: Convert to fraction form
    79,219.01/118,803.71 = 26,616.20/x
  3. Step 3: Cross multiply
    79,219.01x = 118,803.71 × 26,616.20
  4. Step 4: Simplify right side
    79,219.01x = 3,162,102,778.62
  5. Step 5: Solve for x
    x = 3,162,102,778.62/79,219.01
  6. Step 6: Final answer
    x = 39,915.96

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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.