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Finding the Fourth Proportional to 80,969.26, 121,418.22 and 36,594.22

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Solution

The fourth proportional to 80,969.26, 121,418.22 and 36,594.22 is: 54,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,969.26 : 121,418.22 = 36,594.22 : x
  2. Step 2: Convert to fraction form
    80,969.26/121,418.22 = 36,594.22/x
  3. Step 3: Cross multiply
    80,969.26x = 121,418.22 × 36,594.22
  4. Step 4: Simplify right side
    80,969.26x = 4,443,205,054.69
  5. Step 5: Solve for x
    x = 4,443,205,054.69/80,969.26
  6. Step 6: Final answer
    x = 54,875.21

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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.