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Finding the Fourth Proportional to 192.01, 264.95 and 118.35

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Solution

The fourth proportional to 192.01, 264.95 and 118.35 is: 163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.01 : 264.95 = 118.35 : x
  2. Step 2: Convert to fraction form
    192.01/264.95 = 118.35/x
  3. Step 3: Cross multiply
    192.01x = 264.95 × 118.35
  4. Step 4: Simplify right side
    192.01x = 31,356.83
  5. Step 5: Solve for x
    x = 31,356.83/192.01
  6. Step 6: Final answer
    x = 163.31

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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.