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Finding the Fourth Proportional to 117.73, 176.71 and 59.97

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Solution

The fourth proportional to 117.73, 176.71 and 59.97 is: 90.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117.73 : 176.71 = 59.97 : x
  2. Step 2: Convert to fraction form
    117.73/176.71 = 59.97/x
  3. Step 3: Cross multiply
    117.73x = 176.71 × 59.97
  4. Step 4: Simplify right side
    117.73x = 10,597.30
  5. Step 5: Solve for x
    x = 10,597.30/117.73
  6. Step 6: Final answer
    x = 90.01

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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.