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Finding the Fourth Proportional to 355.56, 533.16 and 112.04

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Solution

The fourth proportional to 355.56, 533.16 and 112.04 is: 168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.56 : 533.16 = 112.04 : x
  2. Step 2: Convert to fraction form
    355.56/533.16 = 112.04/x
  3. Step 3: Cross multiply
    355.56x = 533.16 × 112.04
  4. Step 4: Simplify right side
    355.56x = 59,735.25
  5. Step 5: Solve for x
    x = 59,735.25/355.56
  6. Step 6: Final answer
    x = 168.00

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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.