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Finding the Fourth Proportional to 164.98, 227.73 and 152.74

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Solution

The fourth proportional to 164.98, 227.73 and 152.74 is: 210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.98 : 227.73 = 152.74 : x
  2. Step 2: Convert to fraction form
    164.98/227.73 = 152.74/x
  3. Step 3: Cross multiply
    164.98x = 227.73 × 152.74
  4. Step 4: Simplify right side
    164.98x = 34,783.48
  5. Step 5: Solve for x
    x = 34,783.48/164.98
  6. Step 6: Final answer
    x = 210.83

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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.