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Finding the Fourth Proportional to 86,568.75, 119,472.17 and 48,850.29

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Solution

The fourth proportional to 86,568.75, 119,472.17 and 48,850.29 is: 67,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568.75 : 119,472.17 = 48,850.29 : x
  2. Step 2: Convert to fraction form
    86,568.75/119,472.17 = 48,850.29/x
  3. Step 3: Cross multiply
    86,568.75x = 119,472.17 × 48,850.29
  4. Step 4: Simplify right side
    86,568.75x = 5,836,249,907.18
  5. Step 5: Solve for x
    x = 5,836,249,907.18/86,568.75
  6. Step 6: Final answer
    x = 67,417.51

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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.