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Finding the Fourth Proportional to 117,960.44, 162,783.78 and 67,658.36

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Solution

The fourth proportional to 117,960.44, 162,783.78 and 67,658.36 is: 93,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,960.44 : 162,783.78 = 67,658.36 : x
  2. Step 2: Convert to fraction form
    117,960.44/162,783.78 = 67,658.36/x
  3. Step 3: Cross multiply
    117,960.44x = 162,783.78 × 67,658.36
  4. Step 4: Simplify right side
    117,960.44x = 11,013,683,589.40
  5. Step 5: Solve for x
    x = 11,013,683,589.40/117,960.44
  6. Step 6: Final answer
    x = 93,367.60

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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.