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Finding the Fourth Proportional to 160.62, 240.93 and 117.54

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Solution

The fourth proportional to 160.62, 240.93 and 117.54 is: 176.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.62 : 240.93 = 117.54 : x
  2. Step 2: Convert to fraction form
    160.62/240.93 = 117.54/x
  3. Step 3: Cross multiply
    160.62x = 240.93 × 117.54
  4. Step 4: Simplify right side
    160.62x = 28,318.91
  5. Step 5: Solve for x
    x = 28,318.91/160.62
  6. Step 6: Final answer
    x = 176.31

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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.