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Finding the Fourth Proportional to 223,544.64, 308,497.44 and 122,945.28

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Solution

The fourth proportional to 223,544.64, 308,497.44 and 122,945.28 is: 169,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,544.64 : 308,497.44 = 122,945.28 : x
  2. Step 2: Convert to fraction form
    223,544.64/308,497.44 = 122,945.28/x
  3. Step 3: Cross multiply
    223,544.64x = 308,497.44 × 122,945.28
  4. Step 4: Simplify right side
    223,544.64x = 37,928,304,140.08
  5. Step 5: Solve for x
    x = 37,928,304,140.08/223,544.64
  6. Step 6: Final answer
    x = 169,667.70

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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.