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Finding the Fourth Proportional to 224.60, 336.06 and 186.10

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Solution

The fourth proportional to 224.60, 336.06 and 186.10 is: 278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.60 : 336.06 = 186.10 : x
  2. Step 2: Convert to fraction form
    224.60/336.06 = 186.10/x
  3. Step 3: Cross multiply
    224.60x = 336.06 × 186.10
  4. Step 4: Simplify right side
    224.60x = 62,540.77
  5. Step 5: Solve for x
    x = 62,540.77/224.60
  6. Step 6: Final answer
    x = 278.45

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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.