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Finding the Fourth Proportional to 270.84, 373.88 and 165.92

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Solution

The fourth proportional to 270.84, 373.88 and 165.92 is: 229.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.84 : 373.88 = 165.92 : x
  2. Step 2: Convert to fraction form
    270.84/373.88 = 165.92/x
  3. Step 3: Cross multiply
    270.84x = 373.88 × 165.92
  4. Step 4: Simplify right side
    270.84x = 62,034.17
  5. Step 5: Solve for x
    x = 62,034.17/270.84
  6. Step 6: Final answer
    x = 229.04

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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.