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Finding the Fourth Proportional to 272, 375.36 and 168.50

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Solution

The fourth proportional to 272, 375.36 and 168.50 is: 232.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    272 : 375.36 = 168.50 : x
  2. Step 2: Convert to fraction form
    272/375.36 = 168.50/x
  3. Step 3: Cross multiply
    272x = 375.36 × 168.50
  4. Step 4: Simplify right side
    272x = 63,248.16
  5. Step 5: Solve for x
    x = 63,248.16/272
  6. Step 6: Final answer
    x = 232.53

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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.