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Finding the Fourth Proportional to 161.41, 242.24 and 58.73

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Solution

The fourth proportional to 161.41, 242.24 and 58.73 is: 88.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.41 : 242.24 = 58.73 : x
  2. Step 2: Convert to fraction form
    161.41/242.24 = 58.73/x
  3. Step 3: Cross multiply
    161.41x = 242.24 × 58.73
  4. Step 4: Simplify right side
    161.41x = 14,225.69
  5. Step 5: Solve for x
    x = 14,225.69/161.41
  6. Step 6: Final answer
    x = 88.13

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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.