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Finding the Fourth Proportional to 355.62, 532.98 and 160.50

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Solution

The fourth proportional to 355.62, 532.98 and 160.50 is: 240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.62 : 532.98 = 160.50 : x
  2. Step 2: Convert to fraction form
    355.62/532.98 = 160.50/x
  3. Step 3: Cross multiply
    355.62x = 532.98 × 160.50
  4. Step 4: Simplify right side
    355.62x = 85,543.29
  5. Step 5: Solve for x
    x = 85,543.29/355.62
  6. Step 6: Final answer
    x = 240.55

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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.