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Finding the Fourth Proportional to 260,744.97, 359,828.21 and 141,512.97

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Solution

The fourth proportional to 260,744.97, 359,828.21 and 141,512.97 is: 195,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,744.97 : 359,828.21 = 141,512.97 : x
  2. Step 2: Convert to fraction form
    260,744.97/359,828.21 = 141,512.97/x
  3. Step 3: Cross multiply
    260,744.97x = 359,828.21 × 141,512.97
  4. Step 4: Simplify right side
    260,744.97x = 50,920,357,979.32
  5. Step 5: Solve for x
    x = 50,920,357,979.32/260,744.97
  6. Step 6: Final answer
    x = 195,287.98

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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.