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Finding the Fourth Proportional to 173, 238.66 and 114

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Solution

The fourth proportional to 173, 238.66 and 114 is: 157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173 : 238.66 = 114 : x
  2. Step 2: Convert to fraction form
    173/238.66 = 114/x
  3. Step 3: Cross multiply
    173x = 238.66 × 114
  4. Step 4: Simplify right side
    173x = 27,207.24
  5. Step 5: Solve for x
    x = 27,207.24/173
  6. Step 6: Final answer
    x = 157.27

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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.