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Finding the Fourth Proportional to 118,197.58, 163,105.98 and 67,203.22

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Solution

The fourth proportional to 118,197.58, 163,105.98 and 67,203.22 is: 92,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,197.58 : 163,105.98 = 67,203.22 : x
  2. Step 2: Convert to fraction form
    118,197.58/163,105.98 = 67,203.22/x
  3. Step 3: Cross multiply
    118,197.58x = 163,105.98 × 67,203.22
  4. Step 4: Simplify right side
    118,197.58x = 10,961,247,057.26
  5. Step 5: Solve for x
    x = 10,961,247,057.26/118,197.58
  6. Step 6: Final answer
    x = 92,736.65

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1.5x scale

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.