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Finding the Fourth Proportional to 164.12, 244.73 and 162.66

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Solution

The fourth proportional to 164.12, 244.73 and 162.66 is: 242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.12 : 244.73 = 162.66 : x
  2. Step 2: Convert to fraction form
    164.12/244.73 = 162.66/x
  3. Step 3: Cross multiply
    164.12x = 244.73 × 162.66
  4. Step 4: Simplify right side
    164.12x = 39,807.78
  5. Step 5: Solve for x
    x = 39,807.78/164.12
  6. Step 6: Final answer
    x = 242.55

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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.