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Finding the Fourth Proportional to 197.04, 271.93 and 114.17

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Solution

The fourth proportional to 197.04, 271.93 and 114.17 is: 157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.04 : 271.93 = 114.17 : x
  2. Step 2: Convert to fraction form
    197.04/271.93 = 114.17/x
  3. Step 3: Cross multiply
    197.04x = 271.93 × 114.17
  4. Step 4: Simplify right side
    197.04x = 31,044.32
  5. Step 5: Solve for x
    x = 31,044.32/197.04
  6. Step 6: Final answer
    x = 157.55

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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.