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Finding the Fourth Proportional to 192.31, 265.55 and 179.03

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Solution

The fourth proportional to 192.31, 265.55 and 179.03 is: 247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.31 : 265.55 = 179.03 : x
  2. Step 2: Convert to fraction form
    192.31/265.55 = 179.03/x
  3. Step 3: Cross multiply
    192.31x = 265.55 × 179.03
  4. Step 4: Simplify right side
    192.31x = 47,541.19
  5. Step 5: Solve for x
    x = 47,541.19/192.31
  6. Step 6: Final answer
    x = 247.21

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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.