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Finding the Fourth Proportional to 79,797.18, 110,120.40 and 43,498.44

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Solution

The fourth proportional to 79,797.18, 110,120.40 and 43,498.44 is: 60,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,797.18 : 110,120.40 = 43,498.44 : x
  2. Step 2: Convert to fraction form
    79,797.18/110,120.40 = 43,498.44/x
  3. Step 3: Cross multiply
    79,797.18x = 110,120.40 × 43,498.44
  4. Step 4: Simplify right side
    79,797.18x = 4,790,065,612.18
  5. Step 5: Solve for x
    x = 4,790,065,612.18/79,797.18
  6. Step 6: Final answer
    x = 60,028.01

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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.