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Finding the Fourth Proportional to 248.83, 373.82 and 146.18

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Solution

The fourth proportional to 248.83, 373.82 and 146.18 is: 219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.83 : 373.82 = 146.18 : x
  2. Step 2: Convert to fraction form
    248.83/373.82 = 146.18/x
  3. Step 3: Cross multiply
    248.83x = 373.82 × 146.18
  4. Step 4: Simplify right side
    248.83x = 54,644.28
  5. Step 5: Solve for x
    x = 54,644.28/248.83
  6. Step 6: Final answer
    x = 219.61

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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.