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Finding the Fourth Proportional to 185.93, 256.54 and 107.24

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Solution

The fourth proportional to 185.93, 256.54 and 107.24 is: 147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.93 : 256.54 = 107.24 : x
  2. Step 2: Convert to fraction form
    185.93/256.54 = 107.24/x
  3. Step 3: Cross multiply
    185.93x = 256.54 × 107.24
  4. Step 4: Simplify right side
    185.93x = 27,510.81
  5. Step 5: Solve for x
    x = 27,510.81/185.93
  6. Step 6: Final answer
    x = 147.96

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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.