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Finding the Fourth Proportional to 75,074.76, 103,601.88 and 41,082.48

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Solution

The fourth proportional to 75,074.76, 103,601.88 and 41,082.48 is: 56,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074.76 : 103,601.88 = 41,082.48 : x
  2. Step 2: Convert to fraction form
    75,074.76/103,601.88 = 41,082.48/x
  3. Step 3: Cross multiply
    75,074.76x = 103,601.88 × 41,082.48
  4. Step 4: Simplify right side
    75,074.76x = 4,256,222,163.06
  5. Step 5: Solve for x
    x = 4,256,222,163.06/75,074.76
  6. Step 6: Final answer
    x = 56,693.12

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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.