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Finding the Fourth Proportional to 73,844.20, 110,766.30 and 65,679.40

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Solution

The fourth proportional to 73,844.20, 110,766.30 and 65,679.40 is: 98,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,844.20 : 110,766.30 = 65,679.40 : x
  2. Step 2: Convert to fraction form
    73,844.20/110,766.30 = 65,679.40/x
  3. Step 3: Cross multiply
    73,844.20x = 110,766.30 × 65,679.40
  4. Step 4: Simplify right side
    73,844.20x = 7,275,064,124.22
  5. Step 5: Solve for x
    x = 7,275,064,124.22/73,844.20
  6. Step 6: Final answer
    x = 98,519.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.