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Finding the Fourth Proportional to 134.61, 201.77 and 96.11

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Solution

The fourth proportional to 134.61, 201.77 and 96.11 is: 144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.61 : 201.77 = 96.11 : x
  2. Step 2: Convert to fraction form
    134.61/201.77 = 96.11/x
  3. Step 3: Cross multiply
    134.61x = 201.77 × 96.11
  4. Step 4: Simplify right side
    134.61x = 19,390.63
  5. Step 5: Solve for x
    x = 19,390.63/134.61
  6. Step 6: Final answer
    x = 144.05

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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.