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Finding the Fourth Proportional to 265,087.80, 397,761.30 and 124,822.20

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Solution

The fourth proportional to 265,087.80, 397,761.30 and 124,822.20 is: 187,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,087.80 : 397,761.30 = 124,822.20 : x
  2. Step 2: Convert to fraction form
    265,087.80/397,761.30 = 124,822.20/x
  3. Step 3: Cross multiply
    265,087.80x = 397,761.30 × 124,822.20
  4. Step 4: Simplify right side
    265,087.80x = 49,649,440,540.86
  5. Step 5: Solve for x
    x = 49,649,440,540.86/265,087.80
  6. Step 6: Final answer
    x = 187,294.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.