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Finding the Fourth Proportional to 75,092.50, 103,630.92 and 41,558.50

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Solution

The fourth proportional to 75,092.50, 103,630.92 and 41,558.50 is: 57,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.50 : 103,630.92 = 41,558.50 : x
  2. Step 2: Convert to fraction form
    75,092.50/103,630.92 = 41,558.50/x
  3. Step 3: Cross multiply
    75,092.50x = 103,630.92 × 41,558.50
  4. Step 4: Simplify right side
    75,092.50x = 4,306,745,588.82
  5. Step 5: Solve for x
    x = 4,306,745,588.82/75,092.50
  6. Step 6: Final answer
    x = 57,352.54

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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.