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Finding the Fourth Proportional to 249.77, 373.62 and 146.45

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Solution

The fourth proportional to 249.77, 373.62 and 146.45 is: 219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.77 : 373.62 = 146.45 : x
  2. Step 2: Convert to fraction form
    249.77/373.62 = 146.45/x
  3. Step 3: Cross multiply
    249.77x = 373.62 × 146.45
  4. Step 4: Simplify right side
    249.77x = 54,716.65
  5. Step 5: Solve for x
    x = 54,716.65/249.77
  6. Step 6: Final answer
    x = 219.07

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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.