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Finding the Fourth Proportional to 131.10, 196.71 and 59.01

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Solution

The fourth proportional to 131.10, 196.71 and 59.01 is: 88.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.10 : 196.71 = 59.01 : x
  2. Step 2: Convert to fraction form
    131.10/196.71 = 59.01/x
  3. Step 3: Cross multiply
    131.10x = 196.71 × 59.01
  4. Step 4: Simplify right side
    131.10x = 11,607.86
  5. Step 5: Solve for x
    x = 11,607.86/131.10
  6. Step 6: Final answer
    x = 88.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.