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Finding the Fourth Proportional to 110,658.20, 165,987.30 and 96,834.20

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Solution

The fourth proportional to 110,658.20, 165,987.30 and 96,834.20 is: 145,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,658.20 : 165,987.30 = 96,834.20 : x
  2. Step 2: Convert to fraction form
    110,658.20/165,987.30 = 96,834.20/x
  3. Step 3: Cross multiply
    110,658.20x = 165,987.30 × 96,834.20
  4. Step 4: Simplify right side
    110,658.20x = 16,073,247,405.66
  5. Step 5: Solve for x
    x = 16,073,247,405.66/110,658.20
  6. Step 6: Final answer
    x = 145,251.30

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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.