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Finding the Fourth Proportional to 223,797.28, 308,840.52 and 123,195.28

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Solution

The fourth proportional to 223,797.28, 308,840.52 and 123,195.28 is: 170,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,797.28 : 308,840.52 = 123,195.28 : x
  2. Step 2: Convert to fraction form
    223,797.28/308,840.52 = 123,195.28/x
  3. Step 3: Cross multiply
    223,797.28x = 308,840.52 × 123,195.28
  4. Step 4: Simplify right side
    223,797.28x = 38,047,694,336.75
  5. Step 5: Solve for x
    x = 38,047,694,336.75/223,797.28
  6. Step 6: Final answer
    x = 170,009.64

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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.