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Finding the Fourth Proportional to 225,974.88, 339,017.13 and 68,193.90

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Solution

The fourth proportional to 225,974.88, 339,017.13 and 68,193.90 is: 102,307.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,974.88 : 339,017.13 = 68,193.90 : x
  2. Step 2: Convert to fraction form
    225,974.88/339,017.13 = 68,193.90/x
  3. Step 3: Cross multiply
    225,974.88x = 339,017.13 × 68,193.90
  4. Step 4: Simplify right side
    225,974.88x = 23,118,900,261.51
  5. Step 5: Solve for x
    x = 23,118,900,261.51/225,974.88
  6. Step 6: Final answer
    x = 102,307.39

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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.