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Finding the Fourth Proportional to 117,394.78, 176,119.82 and 93,469.58

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Solution

The fourth proportional to 117,394.78, 176,119.82 and 93,469.58 is: 140,226.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,394.78 : 176,119.82 = 93,469.58 : x
  2. Step 2: Convert to fraction form
    117,394.78/176,119.82 = 93,469.58/x
  3. Step 3: Cross multiply
    117,394.78x = 176,119.82 × 93,469.58
  4. Step 4: Simplify right side
    117,394.78x = 16,461,844,257.13
  5. Step 5: Solve for x
    x = 16,461,844,257.13/117,394.78
  6. Step 6: Final answer
    x = 140,226.37

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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.