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Finding the Fourth Proportional to 79,797.93, 110,121.45 and 43,499.19

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Solution

The fourth proportional to 79,797.93, 110,121.45 and 43,499.19 is: 60,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,797.93 : 110,121.45 = 43,499.19 : x
  2. Step 2: Convert to fraction form
    79,797.93/110,121.45 = 43,499.19/x
  3. Step 3: Cross multiply
    79,797.93x = 110,121.45 × 43,499.19
  4. Step 4: Simplify right side
    79,797.93x = 4,790,193,876.63
  5. Step 5: Solve for x
    x = 4,790,193,876.63/79,797.93
  6. Step 6: Final answer
    x = 60,029.05

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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.