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Finding the Fourth Proportional to 118,336.52, 163,325.50 and 69,936.46

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Solution

The fourth proportional to 118,336.52, 163,325.50 and 69,936.46 is: 96,524.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,336.52 : 163,325.50 = 69,936.46 : x
  2. Step 2: Convert to fraction form
    118,336.52/163,325.50 = 69,936.46/x
  3. Step 3: Cross multiply
    118,336.52x = 163,325.50 × 69,936.46
  4. Step 4: Simplify right side
    118,336.52x = 11,422,407,297.73
  5. Step 5: Solve for x
    x = 11,422,407,297.73/118,336.52
  6. Step 6: Final answer
    x = 96,524.79

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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.