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Finding the Fourth Proportional to 130.67, 196.01 and 44.05

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Solution

The fourth proportional to 130.67, 196.01 and 44.05 is: 66.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130.67 : 196.01 = 44.05 : x
  2. Step 2: Convert to fraction form
    130.67/196.01 = 44.05/x
  3. Step 3: Cross multiply
    130.67x = 196.01 × 44.05
  4. Step 4: Simplify right side
    130.67x = 8,634.24
  5. Step 5: Solve for x
    x = 8,634.24/130.67
  6. Step 6: Final answer
    x = 66.08

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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.