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Finding the Fourth Proportional to 108.19, 162.29 and 60.06

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Solution

The fourth proportional to 108.19, 162.29 and 60.06 is: 90.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.19 : 162.29 = 60.06 : x
  2. Step 2: Convert to fraction form
    108.19/162.29 = 60.06/x
  3. Step 3: Cross multiply
    108.19x = 162.29 × 60.06
  4. Step 4: Simplify right side
    108.19x = 9,747.14
  5. Step 5: Solve for x
    x = 9,747.14/108.19
  6. Step 6: Final answer
    x = 90.09

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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.