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Finding the Fourth Proportional to 164.98, 248.03 and 134.76

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Solution

The fourth proportional to 164.98, 248.03 and 134.76 is: 202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.98 : 248.03 = 134.76 : x
  2. Step 2: Convert to fraction form
    164.98/248.03 = 134.76/x
  3. Step 3: Cross multiply
    164.98x = 248.03 × 134.76
  4. Step 4: Simplify right side
    164.98x = 33,423.85
  5. Step 5: Solve for x
    x = 33,423.85/164.98
  6. Step 6: Final answer
    x = 202.60

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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.