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Finding the Fourth Proportional to 182.65, 252.01 and 127.45

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Solution

The fourth proportional to 182.65, 252.01 and 127.45 is: 175.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.65 : 252.01 = 127.45 : x
  2. Step 2: Convert to fraction form
    182.65/252.01 = 127.45/x
  3. Step 3: Cross multiply
    182.65x = 252.01 × 127.45
  4. Step 4: Simplify right side
    182.65x = 32,118.67
  5. Step 5: Solve for x
    x = 32,118.67/182.65
  6. Step 6: Final answer
    x = 175.85

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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.