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Finding the Fourth Proportional to 260,772.75, 359,866.41 and 141,540.75

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Solution

The fourth proportional to 260,772.75, 359,866.41 and 141,540.75 is: 195,326.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,772.75 : 359,866.41 = 141,540.75 : x
  2. Step 2: Convert to fraction form
    260,772.75/359,866.41 = 141,540.75/x
  3. Step 3: Cross multiply
    260,772.75x = 359,866.41 × 141,540.75
  4. Step 4: Simplify right side
    260,772.75x = 50,935,761,571.21
  5. Step 5: Solve for x
    x = 50,935,761,571.21/260,772.75
  6. Step 6: Final answer
    x = 195,326.24

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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.