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Finding the Fourth Proportional to 184.16, 253.82 and 149.06

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Solution

The fourth proportional to 184.16, 253.82 and 149.06 is: 205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.16 : 253.82 = 149.06 : x
  2. Step 2: Convert to fraction form
    184.16/253.82 = 149.06/x
  3. Step 3: Cross multiply
    184.16x = 253.82 × 149.06
  4. Step 4: Simplify right side
    184.16x = 37,835.42
  5. Step 5: Solve for x
    x = 37,835.42/184.16
  6. Step 6: Final answer
    x = 205.45

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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.