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Finding the Fourth Proportional to 118,155.33, 163,047.84 and 67,160.97

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Solution

The fourth proportional to 118,155.33, 163,047.84 and 67,160.97 is: 92,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,155.33 : 163,047.84 = 67,160.97 : x
  2. Step 2: Convert to fraction form
    118,155.33/163,047.84 = 67,160.97/x
  3. Step 3: Cross multiply
    118,155.33x = 163,047.84 × 67,160.97
  4. Step 4: Simplify right side
    118,155.33x = 10,950,451,090.80
  5. Step 5: Solve for x
    x = 10,950,451,090.80/118,155.33
  6. Step 6: Final answer
    x = 92,678.44

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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.