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Finding the Fourth Proportional to 201.94, 302.52 and 124.67

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Solution

The fourth proportional to 201.94, 302.52 and 124.67 is: 186.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201.94 : 302.52 = 124.67 : x
  2. Step 2: Convert to fraction form
    201.94/302.52 = 124.67/x
  3. Step 3: Cross multiply
    201.94x = 302.52 × 124.67
  4. Step 4: Simplify right side
    201.94x = 37,715.17
  5. Step 5: Solve for x
    x = 37,715.17/201.94
  6. Step 6: Final answer
    x = 186.76

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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.