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Finding the Fourth Proportional to 184.06, 253.74 and 131.59

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Solution

The fourth proportional to 184.06, 253.74 and 131.59 is: 181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.06 : 253.74 = 131.59 : x
  2. Step 2: Convert to fraction form
    184.06/253.74 = 131.59/x
  3. Step 3: Cross multiply
    184.06x = 253.74 × 131.59
  4. Step 4: Simplify right side
    184.06x = 33,387.72
  5. Step 5: Solve for x
    x = 33,387.72/184.06
  6. Step 6: Final answer
    x = 181.40

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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.