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Finding the Fourth Proportional to 251.04, 376.74 and 114.16

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Solution

The fourth proportional to 251.04, 376.74 and 114.16 is: 171.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251.04 : 376.74 = 114.16 : x
  2. Step 2: Convert to fraction form
    251.04/376.74 = 114.16/x
  3. Step 3: Cross multiply
    251.04x = 376.74 × 114.16
  4. Step 4: Simplify right side
    251.04x = 43,008.64
  5. Step 5: Solve for x
    x = 43,008.64/251.04
  6. Step 6: Final answer
    x = 171.32

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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.