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Finding the Fourth Proportional to 249, 373.51 and 112.06

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Solution

The fourth proportional to 249, 373.51 and 112.06 is: 168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249 : 373.51 = 112.06 : x
  2. Step 2: Convert to fraction form
    249/373.51 = 112.06/x
  3. Step 3: Cross multiply
    249x = 373.51 × 112.06
  4. Step 4: Simplify right side
    249x = 41,855.53
  5. Step 5: Solve for x
    x = 41,855.53/249
  6. Step 6: Final answer
    x = 168.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.