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Finding the Fourth Proportional to 173.84, 240.02 and 124.16

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Solution

The fourth proportional to 173.84, 240.02 and 124.16 is: 171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.84 : 240.02 = 124.16 : x
  2. Step 2: Convert to fraction form
    173.84/240.02 = 124.16/x
  3. Step 3: Cross multiply
    173.84x = 240.02 × 124.16
  4. Step 4: Simplify right side
    173.84x = 29,800.88
  5. Step 5: Solve for x
    x = 29,800.88/173.84
  6. Step 6: Final answer
    x = 171.43

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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.