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Finding the Fourth Proportional to 184.17, 275.95 and 126.19

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Solution

The fourth proportional to 184.17, 275.95 and 126.19 is: 189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.17 : 275.95 = 126.19 : x
  2. Step 2: Convert to fraction form
    184.17/275.95 = 126.19/x
  3. Step 3: Cross multiply
    184.17x = 275.95 × 126.19
  4. Step 4: Simplify right side
    184.17x = 34,822.63
  5. Step 5: Solve for x
    x = 34,822.63/184.17
  6. Step 6: Final answer
    x = 189.08

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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.