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Finding the Fourth Proportional to 184.50, 275.31 and 158.58

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Solution

The fourth proportional to 184.50, 275.31 and 158.58 is: 236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.50 : 275.31 = 158.58 : x
  2. Step 2: Convert to fraction form
    184.50/275.31 = 158.58/x
  3. Step 3: Cross multiply
    184.50x = 275.31 × 158.58
  4. Step 4: Simplify right side
    184.50x = 43,658.66
  5. Step 5: Solve for x
    x = 43,658.66/184.50
  6. Step 6: Final answer
    x = 236.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.