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Finding the Fourth Proportional to 242.24, 333.48 and 183.92

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Solution

The fourth proportional to 242.24, 333.48 and 183.92 is: 253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.24 : 333.48 = 183.92 : x
  2. Step 2: Convert to fraction form
    242.24/333.48 = 183.92/x
  3. Step 3: Cross multiply
    242.24x = 333.48 × 183.92
  4. Step 4: Simplify right side
    242.24x = 61,333.64
  5. Step 5: Solve for x
    x = 61,333.64/242.24
  6. Step 6: Final answer
    x = 253.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.