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Finding the Fourth Proportional to 174.51, 261.75 and 58.94

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Solution

The fourth proportional to 174.51, 261.75 and 58.94 is: 88.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.51 : 261.75 = 58.94 : x
  2. Step 2: Convert to fraction form
    174.51/261.75 = 58.94/x
  3. Step 3: Cross multiply
    174.51x = 261.75 × 58.94
  4. Step 4: Simplify right side
    174.51x = 15,427.55
  5. Step 5: Solve for x
    x = 15,427.55/174.51
  6. Step 6: Final answer
    x = 88.40

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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.