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Finding the Fourth Proportional to 183.94, 253.92 and 135.07

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Solution

The fourth proportional to 183.94, 253.92 and 135.07 is: 186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.94 : 253.92 = 135.07 : x
  2. Step 2: Convert to fraction form
    183.94/253.92 = 135.07/x
  3. Step 3: Cross multiply
    183.94x = 253.92 × 135.07
  4. Step 4: Simplify right side
    183.94x = 34,296.97
  5. Step 5: Solve for x
    x = 34,296.97/183.94
  6. Step 6: Final answer
    x = 186.46

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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.