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Finding the Fourth Proportional to 182.88, 252.54 and 117.50

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Solution

The fourth proportional to 182.88, 252.54 and 117.50 is: 162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.88 : 252.54 = 117.50 : x
  2. Step 2: Convert to fraction form
    182.88/252.54 = 117.50/x
  3. Step 3: Cross multiply
    182.88x = 252.54 × 117.50
  4. Step 4: Simplify right side
    182.88x = 29,672.87
  5. Step 5: Solve for x
    x = 29,672.87/182.88
  6. Step 6: Final answer
    x = 162.25

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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.