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Finding the Fourth Proportional to 203.60, 304.92 and 169.58

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Solution

The fourth proportional to 203.60, 304.92 and 169.58 is: 253.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    203.60 : 304.92 = 169.58 : x
  2. Step 2: Convert to fraction form
    203.60/304.92 = 169.58/x
  3. Step 3: Cross multiply
    203.60x = 304.92 × 169.58
  4. Step 4: Simplify right side
    203.60x = 51,706.81
  5. Step 5: Solve for x
    x = 51,706.81/203.60
  6. Step 6: Final answer
    x = 253.97

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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.