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Finding the Fourth Proportional to 192.25, 288.25 and 62.19

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Solution

The fourth proportional to 192.25, 288.25 and 62.19 is: 93.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.25 : 288.25 = 62.19 : x
  2. Step 2: Convert to fraction form
    192.25/288.25 = 62.19/x
  3. Step 3: Cross multiply
    192.25x = 288.25 × 62.19
  4. Step 4: Simplify right side
    192.25x = 17,926.27
  5. Step 5: Solve for x
    x = 17,926.27/192.25
  6. Step 6: Final answer
    x = 93.24

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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.