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Finding the Fourth Proportional to 80,770.60, 121,107.30 and 41,404.60

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Solution

The fourth proportional to 80,770.60, 121,107.30 and 41,404.60 is: 62,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,770.60 : 121,107.30 = 41,404.60 : x
  2. Step 2: Convert to fraction form
    80,770.60/121,107.30 = 41,404.60/x
  3. Step 3: Cross multiply
    80,770.60x = 121,107.30 × 41,404.60
  4. Step 4: Simplify right side
    80,770.60x = 5,014,399,313.58
  5. Step 5: Solve for x
    x = 5,014,399,313.58/80,770.60
  6. Step 6: Final answer
    x = 62,081.99

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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.