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Finding the Fourth Proportional to 192.08, 265.68 and 151.04

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Solution

The fourth proportional to 192.08, 265.68 and 151.04 is: 208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.08 : 265.68 = 151.04 : x
  2. Step 2: Convert to fraction form
    192.08/265.68 = 151.04/x
  3. Step 3: Cross multiply
    192.08x = 265.68 × 151.04
  4. Step 4: Simplify right side
    192.08x = 40,128.31
  5. Step 5: Solve for x
    x = 40,128.31/192.08
  6. Step 6: Final answer
    x = 208.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.