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Finding the Fourth Proportional to 224.16, 334.73 and 178

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Solution

The fourth proportional to 224.16, 334.73 and 178 is: 265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.16 : 334.73 = 178 : x
  2. Step 2: Convert to fraction form
    224.16/334.73 = 178/x
  3. Step 3: Cross multiply
    224.16x = 334.73 × 178
  4. Step 4: Simplify right side
    224.16x = 59,581.94
  5. Step 5: Solve for x
    x = 59,581.94/224.16
  6. Step 6: Final answer
    x = 265.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.