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Finding the Fourth Proportional to 118,086.75, 177,129.46 and 29,340.21

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Solution

The fourth proportional to 118,086.75, 177,129.46 and 29,340.21 is: 44,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,086.75 : 177,129.46 = 29,340.21 : x
  2. Step 2: Convert to fraction form
    118,086.75/177,129.46 = 29,340.21/x
  3. Step 3: Cross multiply
    118,086.75x = 177,129.46 × 29,340.21
  4. Step 4: Simplify right side
    118,086.75x = 5,197,015,553.59
  5. Step 5: Solve for x
    x = 5,197,015,553.59/118,086.75
  6. Step 6: Final answer
    x = 44,010.15

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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.