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Finding the Fourth Proportional to 184.23, 253.62 and 135.05

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Solution

The fourth proportional to 184.23, 253.62 and 135.05 is: 185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.23 : 253.62 = 135.05 : x
  2. Step 2: Convert to fraction form
    184.23/253.62 = 135.05/x
  3. Step 3: Cross multiply
    184.23x = 253.62 × 135.05
  4. Step 4: Simplify right side
    184.23x = 34,250.11
  5. Step 5: Solve for x
    x = 34,250.11/184.23
  6. Step 6: Final answer
    x = 185.91

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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.