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Finding the Fourth Proportional to 80,703.44, 121,074.60 and 25,299.44

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Solution

The fourth proportional to 80,703.44, 121,074.60 and 25,299.44 is: 37,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,703.44 : 121,074.60 = 25,299.44 : x
  2. Step 2: Convert to fraction form
    80,703.44/121,074.60 = 25,299.44/x
  3. Step 3: Cross multiply
    80,703.44x = 121,074.60 × 25,299.44
  4. Step 4: Simplify right side
    80,703.44x = 3,063,119,578.22
  5. Step 5: Solve for x
    x = 3,063,119,578.22/80,703.44
  6. Step 6: Final answer
    x = 37,955.25

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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.