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Finding the Fourth Proportional to 174.46, 261.72 and 58.92

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Solution

The fourth proportional to 174.46, 261.72 and 58.92 is: 88.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.46 : 261.72 = 58.92 : x
  2. Step 2: Convert to fraction form
    174.46/261.72 = 58.92/x
  3. Step 3: Cross multiply
    174.46x = 261.72 × 58.92
  4. Step 4: Simplify right side
    174.46x = 15,420.32
  5. Step 5: Solve for x
    x = 15,420.32/174.46
  6. Step 6: Final answer
    x = 88.39

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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.