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Finding the Fourth Proportional to 131.59, 197.26 and 63.01

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Solution

The fourth proportional to 131.59, 197.26 and 63.01 is: 94.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.59 : 197.26 = 63.01 : x
  2. Step 2: Convert to fraction form
    131.59/197.26 = 63.01/x
  3. Step 3: Cross multiply
    131.59x = 197.26 × 63.01
  4. Step 4: Simplify right side
    131.59x = 12,429.44
  5. Step 5: Solve for x
    x = 12,429.44/131.59
  6. Step 6: Final answer
    x = 94.46

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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.