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Finding the Fourth Proportional to 173.06, 238.84 and 124.16

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Solution

The fourth proportional to 173.06, 238.84 and 124.16 is: 171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.06 : 238.84 = 124.16 : x
  2. Step 2: Convert to fraction form
    173.06/238.84 = 124.16/x
  3. Step 3: Cross multiply
    173.06x = 238.84 × 124.16
  4. Step 4: Simplify right side
    173.06x = 29,654.37
  5. Step 5: Solve for x
    x = 29,654.37/173.06
  6. Step 6: Final answer
    x = 171.35

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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.