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Finding the Fourth Proportional to 75,253.94, 103,855.11 and 41,719.94

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Solution

The fourth proportional to 75,253.94, 103,855.11 and 41,719.94 is: 57,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,253.94 : 103,855.11 = 41,719.94 : x
  2. Step 2: Convert to fraction form
    75,253.94/103,855.11 = 41,719.94/x
  3. Step 3: Cross multiply
    75,253.94x = 103,855.11 × 41,719.94
  4. Step 4: Simplify right side
    75,253.94x = 4,332,829,217.53
  5. Step 5: Solve for x
    x = 4,332,829,217.53/75,253.94
  6. Step 6: Final answer
    x = 57,576.11

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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.