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Finding the Fourth Proportional to 164.92, 246.02 and 153.28

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Solution

The fourth proportional to 164.92, 246.02 and 153.28 is: 228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.92 : 246.02 = 153.28 : x
  2. Step 2: Convert to fraction form
    164.92/246.02 = 153.28/x
  3. Step 3: Cross multiply
    164.92x = 246.02 × 153.28
  4. Step 4: Simplify right side
    164.92x = 37,709.95
  5. Step 5: Solve for x
    x = 37,709.95/164.92
  6. Step 6: Final answer
    x = 228.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.