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Finding the Fourth Proportional to 153.43, 230.22 and 62.19

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Solution

The fourth proportional to 153.43, 230.22 and 62.19 is: 93.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153.43 : 230.22 = 62.19 : x
  2. Step 2: Convert to fraction form
    153.43/230.22 = 62.19/x
  3. Step 3: Cross multiply
    153.43x = 230.22 × 62.19
  4. Step 4: Simplify right side
    153.43x = 14,317.38
  5. Step 5: Solve for x
    x = 14,317.38/153.43
  6. Step 6: Final answer
    x = 93.32

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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.