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Finding the Fourth Proportional to 250.15, 374.97 and 104.00

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Solution

The fourth proportional to 250.15, 374.97 and 104.00 is: 155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.15 : 374.97 = 104.00 : x
  2. Step 2: Convert to fraction form
    250.15/374.97 = 104.00/x
  3. Step 3: Cross multiply
    250.15x = 374.97 × 104.00
  4. Step 4: Simplify right side
    250.15x = 38,997.30
  5. Step 5: Solve for x
    x = 38,997.30/250.15
  6. Step 6: Final answer
    x = 155.90

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