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Finding the Fourth Proportional to 243.01, 364.75 and 173.68

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Solution

The fourth proportional to 243.01, 364.75 and 173.68 is: 260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.01 : 364.75 = 173.68 : x
  2. Step 2: Convert to fraction form
    243.01/364.75 = 173.68/x
  3. Step 3: Cross multiply
    243.01x = 364.75 × 173.68
  4. Step 4: Simplify right side
    243.01x = 63,349.78
  5. Step 5: Solve for x
    x = 63,349.78/243.01
  6. Step 6: Final answer
    x = 260.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.