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Finding the Fourth Proportional to 201,175.28, 277,620.78 and 109,293.80

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Solution

The fourth proportional to 201,175.28, 277,620.78 and 109,293.80 is: 150,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,175.28 : 277,620.78 = 109,293.80 : x
  2. Step 2: Convert to fraction form
    201,175.28/277,620.78 = 109,293.80/x
  3. Step 3: Cross multiply
    201,175.28x = 277,620.78 × 109,293.80
  4. Step 4: Simplify right side
    201,175.28x = 30,342,230,005.16
  5. Step 5: Solve for x
    x = 30,342,230,005.16/201,175.28
  6. Step 6: Final answer
    x = 150,824.84

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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.