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Finding the Fourth Proportional to 248.62, 373 and 104.32

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Solution

The fourth proportional to 248.62, 373 and 104.32 is: 156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.62 : 373 = 104.32 : x
  2. Step 2: Convert to fraction form
    248.62/373 = 104.32/x
  3. Step 3: Cross multiply
    248.62x = 373 × 104.32
  4. Step 4: Simplify right side
    248.62x = 38,911.36
  5. Step 5: Solve for x
    x = 38,911.36/248.62
  6. Step 6: Final answer
    x = 156.51

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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.