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Finding the Fourth Proportional to 68,791.24, 103,032.78 and 59,791.24

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Solution

The fourth proportional to 68,791.24, 103,032.78 and 59,791.24 is: 89,552.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.24 : 103,032.78 = 59,791.24 : x
  2. Step 2: Convert to fraction form
    68,791.24/103,032.78 = 59,791.24/x
  3. Step 3: Cross multiply
    68,791.24x = 103,032.78 × 59,791.24
  4. Step 4: Simplify right side
    68,791.24x = 6,160,457,676.85
  5. Step 5: Solve for x
    x = 6,160,457,676.85/68,791.24
  6. Step 6: Final answer
    x = 89,552.94

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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.