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Finding the Fourth Proportional to 237.13, 355.70 and 112.04

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Solution

The fourth proportional to 237.13, 355.70 and 112.04 is: 168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.13 : 355.70 = 112.04 : x
  2. Step 2: Convert to fraction form
    237.13/355.70 = 112.04/x
  3. Step 3: Cross multiply
    237.13x = 355.70 × 112.04
  4. Step 4: Simplify right side
    237.13x = 39,852.63
  5. Step 5: Solve for x
    x = 39,852.63/237.13
  6. Step 6: Final answer
    x = 168.06

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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.