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Finding the Fourth Proportional to 185.93, 256.32 and 133.46

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Solution

The fourth proportional to 185.93, 256.32 and 133.46 is: 183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.93 : 256.32 = 133.46 : x
  2. Step 2: Convert to fraction form
    185.93/256.32 = 133.46/x
  3. Step 3: Cross multiply
    185.93x = 256.32 × 133.46
  4. Step 4: Simplify right side
    185.93x = 34,208.47
  5. Step 5: Solve for x
    x = 34,208.47/185.93
  6. Step 6: Final answer
    x = 183.99

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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.