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Finding the Fourth Proportional to 225.09, 337.59 and 62.74

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Solution

The fourth proportional to 225.09, 337.59 and 62.74 is: 94.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.09 : 337.59 = 62.74 : x
  2. Step 2: Convert to fraction form
    225.09/337.59 = 62.74/x
  3. Step 3: Cross multiply
    225.09x = 337.59 × 62.74
  4. Step 4: Simplify right side
    225.09x = 21,180.40
  5. Step 5: Solve for x
    x = 21,180.40/225.09
  6. Step 6: Final answer
    x = 94.10

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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.