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Finding the Fourth Proportional to 174.42, 261.54 and 58.86

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Solution

The fourth proportional to 174.42, 261.54 and 58.86 is: 88.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.42 : 261.54 = 58.86 : x
  2. Step 2: Convert to fraction form
    174.42/261.54 = 58.86/x
  3. Step 3: Cross multiply
    174.42x = 261.54 × 58.86
  4. Step 4: Simplify right side
    174.42x = 15,394.24
  5. Step 5: Solve for x
    x = 15,394.24/174.42
  6. Step 6: Final answer
    x = 88.26

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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.