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Finding the Fourth Proportional to 249.64, 344.59 and 176.00

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Solution

The fourth proportional to 249.64, 344.59 and 176.00 is: 242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.64 : 344.59 = 176.00 : x
  2. Step 2: Convert to fraction form
    249.64/344.59 = 176.00/x
  3. Step 3: Cross multiply
    249.64x = 344.59 × 176.00
  4. Step 4: Simplify right side
    249.64x = 60,645.68
  5. Step 5: Solve for x
    x = 60,645.68/249.64
  6. Step 6: Final answer
    x = 242.93

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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.