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Finding the Fourth Proportional to 260,691.44, 359,752.92 and 141,459.44

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Solution

The fourth proportional to 260,691.44, 359,752.92 and 141,459.44 is: 195,213.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,691.44 : 359,752.92 = 141,459.44 : x
  2. Step 2: Convert to fraction form
    260,691.44/359,752.92 = 141,459.44/x
  3. Step 3: Cross multiply
    260,691.44x = 359,752.92 × 141,459.44
  4. Step 4: Simplify right side
    260,691.44x = 50,890,446,601.56
  5. Step 5: Solve for x
    x = 50,890,446,601.56/260,691.44
  6. Step 6: Final answer
    x = 195,213.34

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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.