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Finding the Fourth Proportional to 226,019.44, 311,921.41 and 125,417.44

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Solution

The fourth proportional to 226,019.44, 311,921.41 and 125,417.44 is: 173,084.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,019.44 : 311,921.41 = 125,417.44 : x
  2. Step 2: Convert to fraction form
    226,019.44/311,921.41 = 125,417.44/x
  3. Step 3: Cross multiply
    226,019.44x = 311,921.41 × 125,417.44
  4. Step 4: Simplify right side
    226,019.44x = 39,120,383,630.04
  5. Step 5: Solve for x
    x = 39,120,383,630.04/226,019.44
  6. Step 6: Final answer
    x = 173,084.16

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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.