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Finding the Fourth Proportional to 80,954.58, 121,458.77 and 35,969.69

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Solution

The fourth proportional to 80,954.58, 121,458.77 and 35,969.69 is: 53,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,954.58 : 121,458.77 = 35,969.69 : x
  2. Step 2: Convert to fraction form
    80,954.58/121,458.77 = 35,969.69/x
  3. Step 3: Cross multiply
    80,954.58x = 121,458.77 × 35,969.69
  4. Step 4: Simplify right side
    80,954.58x = 4,368,833,517.54
  5. Step 5: Solve for x
    x = 4,368,833,517.54/80,954.58
  6. Step 6: Final answer
    x = 53,966.48

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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.