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Finding the Fourth Proportional to 250.91, 376.45 and 114.06

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Solution

The fourth proportional to 250.91, 376.45 and 114.06 is: 171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.91 : 376.45 = 114.06 : x
  2. Step 2: Convert to fraction form
    250.91/376.45 = 114.06/x
  3. Step 3: Cross multiply
    250.91x = 376.45 × 114.06
  4. Step 4: Simplify right side
    250.91x = 42,937.89
  5. Step 5: Solve for x
    x = 42,937.89/250.91
  6. Step 6: Final answer
    x = 171.13

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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.