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Finding the Fourth Proportional to 118,229.28, 177,317.16 and 33,989.28

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Solution

The fourth proportional to 118,229.28, 177,317.16 and 33,989.28 is: 50,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.28 : 177,317.16 = 33,989.28 : x
  2. Step 2: Convert to fraction form
    118,229.28/177,317.16 = 33,989.28/x
  3. Step 3: Cross multiply
    118,229.28x = 177,317.16 × 33,989.28
  4. Step 4: Simplify right side
    118,229.28x = 6,026,882,600.04
  5. Step 5: Solve for x
    x = 6,026,882,600.04/118,229.28
  6. Step 6: Final answer
    x = 50,976.23

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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.