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Finding the Fourth Proportional to 224.32, 336.48 and 116.08

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Solution

The fourth proportional to 224.32, 336.48 and 116.08 is: 174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.32 : 336.48 = 116.08 : x
  2. Step 2: Convert to fraction form
    224.32/336.48 = 116.08/x
  3. Step 3: Cross multiply
    224.32x = 336.48 × 116.08
  4. Step 4: Simplify right side
    224.32x = 39,058.60
  5. Step 5: Solve for x
    x = 39,058.60/224.32
  6. Step 6: Final answer
    x = 174.12

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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.