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Finding the Fourth Proportional to 192.34, 288.52 and 48.06

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Solution

The fourth proportional to 192.34, 288.52 and 48.06 is: 72.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.34 : 288.52 = 48.06 : x
  2. Step 2: Convert to fraction form
    192.34/288.52 = 48.06/x
  3. Step 3: Cross multiply
    192.34x = 288.52 × 48.06
  4. Step 4: Simplify right side
    192.34x = 13,866.27
  5. Step 5: Solve for x
    x = 13,866.27/192.34
  6. Step 6: Final answer
    x = 72.09

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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.