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Finding the Fourth Proportional to 144,594.49, 199,540.36 and 80,932.30

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Solution

The fourth proportional to 144,594.49, 199,540.36 and 80,932.30 is: 111,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,594.49 : 199,540.36 = 80,932.30 : x
  2. Step 2: Convert to fraction form
    144,594.49/199,540.36 = 80,932.30/x
  3. Step 3: Cross multiply
    144,594.49x = 199,540.36 × 80,932.30
  4. Step 4: Simplify right side
    144,594.49x = 16,149,260,277.63
  5. Step 5: Solve for x
    x = 16,149,260,277.63/144,594.49
  6. Step 6: Final answer
    x = 111,686.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.