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Finding the Fourth Proportional to 183.53, 253.28 and 104.82

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Solution

The fourth proportional to 183.53, 253.28 and 104.82 is: 144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.53 : 253.28 = 104.82 : x
  2. Step 2: Convert to fraction form
    183.53/253.28 = 104.82/x
  3. Step 3: Cross multiply
    183.53x = 253.28 × 104.82
  4. Step 4: Simplify right side
    183.53x = 26,548.29
  5. Step 5: Solve for x
    x = 26,548.29/183.53
  6. Step 6: Final answer
    x = 144.66

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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.