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Finding the Fourth Proportional to 134.99, 201.35 and 113.46

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Solution

The fourth proportional to 134.99, 201.35 and 113.46 is: 169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.99 : 201.35 = 113.46 : x
  2. Step 2: Convert to fraction form
    134.99/201.35 = 113.46/x
  3. Step 3: Cross multiply
    134.99x = 201.35 × 113.46
  4. Step 4: Simplify right side
    134.99x = 22,844.60
  5. Step 5: Solve for x
    x = 22,844.60/134.99
  6. Step 6: Final answer
    x = 169.24

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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.