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Finding the Fourth Proportional to 184.50, 276.93 and 99.18

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Solution

The fourth proportional to 184.50, 276.93 and 99.18 is: 148.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.50 : 276.93 = 99.18 : x
  2. Step 2: Convert to fraction form
    184.50/276.93 = 99.18/x
  3. Step 3: Cross multiply
    184.50x = 276.93 × 99.18
  4. Step 4: Simplify right side
    184.50x = 27,465.92
  5. Step 5: Solve for x
    x = 27,465.92/184.50
  6. Step 6: Final answer
    x = 148.87

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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.