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Finding the Fourth Proportional to 237.05, 355.60 and 106.99

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Solution

The fourth proportional to 237.05, 355.60 and 106.99 is: 160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.05 : 355.60 = 106.99 : x
  2. Step 2: Convert to fraction form
    237.05/355.60 = 106.99/x
  3. Step 3: Cross multiply
    237.05x = 355.60 × 106.99
  4. Step 4: Simplify right side
    237.05x = 38,045.64
  5. Step 5: Solve for x
    x = 38,045.64/237.05
  6. Step 6: Final answer
    x = 160.50

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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.