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Finding the Fourth Proportional to 136.01, 203.95 and 44.68

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Solution

The fourth proportional to 136.01, 203.95 and 44.68 is: 66.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.01 : 203.95 = 44.68 : x
  2. Step 2: Convert to fraction form
    136.01/203.95 = 44.68/x
  3. Step 3: Cross multiply
    136.01x = 203.95 × 44.68
  4. Step 4: Simplify right side
    136.01x = 9,111.24
  5. Step 5: Solve for x
    x = 9,111.24/136.01
  6. Step 6: Final answer
    x = 66.99

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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.