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Finding the Fourth Proportional to 335,761.88, 503,850.18 and 136,083.92

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Solution

The fourth proportional to 335,761.88, 503,850.18 and 136,083.92 is: 204,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,761.88 : 503,850.18 = 136,083.92 : x
  2. Step 2: Convert to fraction form
    335,761.88/503,850.18 = 136,083.92/x
  3. Step 3: Cross multiply
    335,761.88x = 503,850.18 × 136,083.92
  4. Step 4: Simplify right side
    335,761.88x = 68,565,907,587.11
  5. Step 5: Solve for x
    x = 68,565,907,587.11/335,761.88
  6. Step 6: Final answer
    x = 204,209.92

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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.