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Finding the Fourth Proportional to 185.23, 277.51 and 98.37

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Solution

The fourth proportional to 185.23, 277.51 and 98.37 is: 147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.23 : 277.51 = 98.37 : x
  2. Step 2: Convert to fraction form
    185.23/277.51 = 98.37/x
  3. Step 3: Cross multiply
    185.23x = 277.51 × 98.37
  4. Step 4: Simplify right side
    185.23x = 27,298.41
  5. Step 5: Solve for x
    x = 27,298.41/185.23
  6. Step 6: Final answer
    x = 147.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.