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Finding the Fourth Proportional to 164.15, 244.98 and 134.99

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Solution

The fourth proportional to 164.15, 244.98 and 134.99 is: 201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.15 : 244.98 = 134.99 : x
  2. Step 2: Convert to fraction form
    164.15/244.98 = 134.99/x
  3. Step 3: Cross multiply
    164.15x = 244.98 × 134.99
  4. Step 4: Simplify right side
    164.15x = 33,069.85
  5. Step 5: Solve for x
    x = 33,069.85/164.15
  6. Step 6: Final answer
    x = 201.46

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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.