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Finding the Fourth Proportional to 120,200.60, 179,955.30 and 73,544.60

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Solution

The fourth proportional to 120,200.60, 179,955.30 and 73,544.60 is: 110,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,200.60 : 179,955.30 = 73,544.60 : x
  2. Step 2: Convert to fraction form
    120,200.60/179,955.30 = 73,544.60/x
  3. Step 3: Cross multiply
    120,200.60x = 179,955.30 × 73,544.60
  4. Step 4: Simplify right side
    120,200.60x = 13,234,740,556.38
  5. Step 5: Solve for x
    x = 13,234,740,556.38/120,200.60
  6. Step 6: Final answer
    x = 110,105.45

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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.