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Finding the Fourth Proportional to 186.63, 280.01 and 95.26

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Solution

The fourth proportional to 186.63, 280.01 and 95.26 is: 142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186.63 : 280.01 = 95.26 : x
  2. Step 2: Convert to fraction form
    186.63/280.01 = 95.26/x
  3. Step 3: Cross multiply
    186.63x = 280.01 × 95.26
  4. Step 4: Simplify right side
    186.63x = 26,671.88
  5. Step 5: Solve for x
    x = 26,671.88/186.63
  6. Step 6: Final answer
    x = 142.92

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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.