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Finding the Fourth Proportional to 118,885.74, 178,351.92 and 44,006.52

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Solution

The fourth proportional to 118,885.74, 178,351.92 and 44,006.52 is: 66,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,885.74 : 178,351.92 = 44,006.52 : x
  2. Step 2: Convert to fraction form
    118,885.74/178,351.92 = 44,006.52/x
  3. Step 3: Cross multiply
    118,885.74x = 178,351.92 × 44,006.52
  4. Step 4: Simplify right side
    118,885.74x = 7,848,647,334.52
  5. Step 5: Solve for x
    x = 7,848,647,334.52/118,885.74
  6. Step 6: Final answer
    x = 66,018.41

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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.