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Finding the Fourth Proportional to 213,797.27, 294,993.36 and 127,743.32

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Solution

The fourth proportional to 213,797.27, 294,993.36 and 127,743.32 is: 176,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,797.27 : 294,993.36 = 127,743.32 : x
  2. Step 2: Convert to fraction form
    213,797.27/294,993.36 = 127,743.32/x
  3. Step 3: Cross multiply
    213,797.27x = 294,993.36 × 127,743.32
  4. Step 4: Simplify right side
    213,797.27x = 37,683,431,921.84
  5. Step 5: Solve for x
    x = 37,683,431,921.84/213,797.27
  6. Step 6: Final answer
    x = 176,257.78

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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.