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Finding the Fourth Proportional to 182.52, 274.86 and 158.76

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Solution

The fourth proportional to 182.52, 274.86 and 158.76 is: 239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.52 : 274.86 = 158.76 : x
  2. Step 2: Convert to fraction form
    182.52/274.86 = 158.76/x
  3. Step 3: Cross multiply
    182.52x = 274.86 × 158.76
  4. Step 4: Simplify right side
    182.52x = 43,636.77
  5. Step 5: Solve for x
    x = 43,636.77/182.52
  6. Step 6: Final answer
    x = 239.08

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.