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Finding the Fourth Proportional to 260,707.88, 359,776.87 and 141,475.88

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Solution

The fourth proportional to 260,707.88, 359,776.87 and 141,475.88 is: 195,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,707.88 : 359,776.87 = 141,475.88 : x
  2. Step 2: Convert to fraction form
    260,707.88/359,776.87 = 141,475.88/x
  3. Step 3: Cross multiply
    260,707.88x = 359,776.87 × 141,475.88
  4. Step 4: Simplify right side
    260,707.88x = 50,899,749,286.90
  5. Step 5: Solve for x
    x = 50,899,749,286.90/260,707.88
  6. Step 6: Final answer
    x = 195,236.71

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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.