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Finding the Fourth Proportional to 79,799.51, 110,121.22 and 43,989.68

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Solution

The fourth proportional to 79,799.51, 110,121.22 and 43,989.68 is: 60,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.51 : 110,121.22 = 43,989.68 : x
  2. Step 2: Convert to fraction form
    79,799.51/110,121.22 = 43,989.68/x
  3. Step 3: Cross multiply
    79,799.51x = 110,121.22 × 43,989.68
  4. Step 4: Simplify right side
    79,799.51x = 4,844,197,229.01
  5. Step 5: Solve for x
    x = 4,844,197,229.01/79,799.51
  6. Step 6: Final answer
    x = 60,704.60

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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.