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Finding the Fourth Proportional to 355.51, 533.33 and 112.04

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Solution

The fourth proportional to 355.51, 533.33 and 112.04 is: 168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    355.51 : 533.33 = 112.04 : x
  2. Step 2: Convert to fraction form
    355.51/533.33 = 112.04/x
  3. Step 3: Cross multiply
    355.51x = 533.33 × 112.04
  4. Step 4: Simplify right side
    355.51x = 59,754.29
  5. Step 5: Solve for x
    x = 59,754.29/355.51
  6. Step 6: Final answer
    x = 168.08

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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.