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Finding the Fourth Proportional to 75,512.37, 104,228.72 and 50,022.88

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Solution

The fourth proportional to 75,512.37, 104,228.72 and 50,022.88 is: 69,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.37 : 104,228.72 = 50,022.88 : x
  2. Step 2: Convert to fraction form
    75,512.37/104,228.72 = 50,022.88/x
  3. Step 3: Cross multiply
    75,512.37x = 104,228.72 × 50,022.88
  4. Step 4: Simplify right side
    75,512.37x = 5,213,820,753.11
  5. Step 5: Solve for x
    x = 5,213,820,753.11/75,512.37
  6. Step 6: Final answer
    x = 69,045.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.