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Finding the Fourth Proportional to 192.55, 265.65 and 126.14

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Solution

The fourth proportional to 192.55, 265.65 and 126.14 is: 174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.55 : 265.65 = 126.14 : x
  2. Step 2: Convert to fraction form
    192.55/265.65 = 126.14/x
  3. Step 3: Cross multiply
    192.55x = 265.65 × 126.14
  4. Step 4: Simplify right side
    192.55x = 33,509.09
  5. Step 5: Solve for x
    x = 33,509.09/192.55
  6. Step 6: Final answer
    x = 174.03

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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.