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Finding the Fourth Proportional to 225.18, 337.77 and 62.88

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Solution

The fourth proportional to 225.18, 337.77 and 62.88 is: 94.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.18 : 337.77 = 62.88 : x
  2. Step 2: Convert to fraction form
    225.18/337.77 = 62.88/x
  3. Step 3: Cross multiply
    225.18x = 337.77 × 62.88
  4. Step 4: Simplify right side
    225.18x = 21,237.71
  5. Step 5: Solve for x
    x = 21,237.71/225.18
  6. Step 6: Final answer
    x = 94.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.