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Finding the Fourth Proportional to 260,649.31, 359,589.13 and 158,592.96

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Solution

The fourth proportional to 260,649.31, 359,589.13 and 158,592.96 is: 218,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,649.31 : 359,589.13 = 158,592.96 : x
  2. Step 2: Convert to fraction form
    260,649.31/359,589.13 = 158,592.96/x
  3. Step 3: Cross multiply
    260,649.31x = 359,589.13 × 158,592.96
  4. Step 4: Simplify right side
    260,649.31x = 57,028,304,510.52
  5. Step 5: Solve for x
    x = 57,028,304,510.52/260,649.31
  6. Step 6: Final answer
    x = 218,793.23

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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.