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Finding the Fourth Proportional to 116.49, 174.76 and 58.71

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Solution

The fourth proportional to 116.49, 174.76 and 58.71 is: 88.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.49 : 174.76 = 58.71 : x
  2. Step 2: Convert to fraction form
    116.49/174.76 = 58.71/x
  3. Step 3: Cross multiply
    116.49x = 174.76 × 58.71
  4. Step 4: Simplify right side
    116.49x = 10,260.16
  5. Step 5: Solve for x
    x = 10,260.16/116.49
  6. Step 6: Final answer
    x = 88.08

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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.