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Finding the Fourth Proportional to 120,027.60, 179,926.20 and 93,358.80

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Solution

The fourth proportional to 120,027.60, 179,926.20 and 93,358.80 is: 139,948.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,027.60 : 179,926.20 = 93,358.80 : x
  2. Step 2: Convert to fraction form
    120,027.60/179,926.20 = 93,358.80/x
  3. Step 3: Cross multiply
    120,027.60x = 179,926.20 × 93,358.80
  4. Step 4: Simplify right side
    120,027.60x = 16,797,694,120.56
  5. Step 5: Solve for x
    x = 16,797,694,120.56/120,027.60
  6. Step 6: Final answer
    x = 139,948.60

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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.