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Finding the Fourth Proportional to 192.48, 288.80 and 95.04

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Solution

The fourth proportional to 192.48, 288.80 and 95.04 is: 142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.48 : 288.80 = 95.04 : x
  2. Step 2: Convert to fraction form
    192.48/288.80 = 95.04/x
  3. Step 3: Cross multiply
    192.48x = 288.80 × 95.04
  4. Step 4: Simplify right side
    192.48x = 27,447.55
  5. Step 5: Solve for x
    x = 27,447.55/192.48
  6. Step 6: Final answer
    x = 142.60

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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.