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Finding the Fourth Proportional to 184.47, 276.70 and 103.26

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Solution

The fourth proportional to 184.47, 276.70 and 103.26 is: 154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.47 : 276.70 = 103.26 : x
  2. Step 2: Convert to fraction form
    184.47/276.70 = 103.26/x
  3. Step 3: Cross multiply
    184.47x = 276.70 × 103.26
  4. Step 4: Simplify right side
    184.47x = 28,572.04
  5. Step 5: Solve for x
    x = 28,572.04/184.47
  6. Step 6: Final answer
    x = 154.89

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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.