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Finding the Fourth Proportional to 79,739.99, 110,057.13 and 45,771.44

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Solution

The fourth proportional to 79,739.99, 110,057.13 and 45,771.44 is: 63,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,739.99 : 110,057.13 = 45,771.44 : x
  2. Step 2: Convert to fraction form
    79,739.99/110,057.13 = 45,771.44/x
  3. Step 3: Cross multiply
    79,739.99x = 110,057.13 × 45,771.44
  4. Step 4: Simplify right side
    79,739.99x = 5,037,473,545.92
  5. Step 5: Solve for x
    x = 5,037,473,545.92/79,739.99
  6. Step 6: Final answer
    x = 63,173.74

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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.