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Finding the Fourth Proportional to 224.61, 310.01 and 158.55

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Solution

The fourth proportional to 224.61, 310.01 and 158.55 is: 218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.61 : 310.01 = 158.55 : x
  2. Step 2: Convert to fraction form
    224.61/310.01 = 158.55/x
  3. Step 3: Cross multiply
    224.61x = 310.01 × 158.55
  4. Step 4: Simplify right side
    224.61x = 49,151.02
  5. Step 5: Solve for x
    x = 49,151.02/224.61
  6. Step 6: Final answer
    x = 218.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.