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Finding the Fourth Proportional to 242.99, 363.87 and 184.87

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Solution

The fourth proportional to 242.99, 363.87 and 184.87 is: 276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.99 : 363.87 = 184.87 : x
  2. Step 2: Convert to fraction form
    242.99/363.87 = 184.87/x
  3. Step 3: Cross multiply
    242.99x = 363.87 × 184.87
  4. Step 4: Simplify right side
    242.99x = 67,268.65
  5. Step 5: Solve for x
    x = 67,268.65/242.99
  6. Step 6: Final answer
    x = 276.84

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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.