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Finding the Fourth Proportional to 192.23, 288.31 and 62.24

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Solution

The fourth proportional to 192.23, 288.31 and 62.24 is: 93.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.23 : 288.31 = 62.24 : x
  2. Step 2: Convert to fraction form
    192.23/288.31 = 62.24/x
  3. Step 3: Cross multiply
    192.23x = 288.31 × 62.24
  4. Step 4: Simplify right side
    192.23x = 17,944.41
  5. Step 5: Solve for x
    x = 17,944.41/192.23
  6. Step 6: Final answer
    x = 93.35

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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.