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Finding the Fourth Proportional to 352.50, 528.95 and 160.13

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Solution

The fourth proportional to 352.50, 528.95 and 160.13 is: 240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.50 : 528.95 = 160.13 : x
  2. Step 2: Convert to fraction form
    352.50/528.95 = 160.13/x
  3. Step 3: Cross multiply
    352.50x = 528.95 × 160.13
  4. Step 4: Simplify right side
    352.50x = 84,700.76
  5. Step 5: Solve for x
    x = 84,700.76/352.50
  6. Step 6: Final answer
    x = 240.29

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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.