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Finding the Fourth Proportional to 79,847.57, 110,197.41 and 59,669.42

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Solution

The fourth proportional to 79,847.57, 110,197.41 and 59,669.42 is: 82,349.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,847.57 : 110,197.41 = 59,669.42 : x
  2. Step 2: Convert to fraction form
    79,847.57/110,197.41 = 59,669.42/x
  3. Step 3: Cross multiply
    79,847.57x = 110,197.41 × 59,669.42
  4. Step 4: Simplify right side
    79,847.57x = 6,575,415,540.20
  5. Step 5: Solve for x
    x = 6,575,415,540.20/79,847.57
  6. Step 6: Final answer
    x = 82,349.60

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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.