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Finding the Fourth Proportional to 118,649.33, 177,960.81 and 29,902.82

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Solution

The fourth proportional to 118,649.33, 177,960.81 and 29,902.82 is: 44,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,649.33 : 177,960.81 = 29,902.82 : x
  2. Step 2: Convert to fraction form
    118,649.33/177,960.81 = 29,902.82/x
  3. Step 3: Cross multiply
    118,649.33x = 177,960.81 × 29,902.82
  4. Step 4: Simplify right side
    118,649.33x = 5,321,530,068.48
  5. Step 5: Solve for x
    x = 5,321,530,068.48/118,649.33
  6. Step 6: Final answer
    x = 44,850.91

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1.5x scale

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.