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Finding the Fourth Proportional to 184.02, 253.98 and 105.37

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Solution

The fourth proportional to 184.02, 253.98 and 105.37 is: 145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.02 : 253.98 = 105.37 : x
  2. Step 2: Convert to fraction form
    184.02/253.98 = 105.37/x
  3. Step 3: Cross multiply
    184.02x = 253.98 × 105.37
  4. Step 4: Simplify right side
    184.02x = 26,761.87
  5. Step 5: Solve for x
    x = 26,761.87/184.02
  6. Step 6: Final answer
    x = 145.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.