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Finding the Fourth Proportional to 243.84, 336.46 and 150.59

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Solution

The fourth proportional to 243.84, 336.46 and 150.59 is: 207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.84 : 336.46 = 150.59 : x
  2. Step 2: Convert to fraction form
    243.84/336.46 = 150.59/x
  3. Step 3: Cross multiply
    243.84x = 336.46 × 150.59
  4. Step 4: Simplify right side
    243.84x = 50,667.51
  5. Step 5: Solve for x
    x = 50,667.51/243.84
  6. Step 6: Final answer
    x = 207.79

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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.