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Finding the Fourth Proportional to 195,797.36, 270,213.72 and 110,915.12

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Solution

The fourth proportional to 195,797.36, 270,213.72 and 110,915.12 is: 153,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,797.36 : 270,213.72 = 110,915.12 : x
  2. Step 2: Convert to fraction form
    195,797.36/270,213.72 = 110,915.12/x
  3. Step 3: Cross multiply
    195,797.36x = 270,213.72 × 110,915.12
  4. Step 4: Simplify right side
    195,797.36x = 29,970,787,179.45
  5. Step 5: Solve for x
    x = 29,970,787,179.45/195,797.36
  6. Step 6: Final answer
    x = 153,070.44

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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.