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Finding the Fourth Proportional to 183,568.90, 275,453.70 and 71,253.58

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Solution

The fourth proportional to 183,568.90, 275,453.70 and 71,253.58 is: 106,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,568.90 : 275,453.70 = 71,253.58 : x
  2. Step 2: Convert to fraction form
    183,568.90/275,453.70 = 71,253.58/x
  3. Step 3: Cross multiply
    183,568.90x = 275,453.70 × 71,253.58
  4. Step 4: Simplify right side
    183,568.90x = 19,627,062,249.25
  5. Step 5: Solve for x
    x = 19,627,062,249.25/183,568.90
  6. Step 6: Final answer
    x = 106,919.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.