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Finding the Fourth Proportional to 185.24, 277.65 and 98.47

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Solution

The fourth proportional to 185.24, 277.65 and 98.47 is: 147.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.24 : 277.65 = 98.47 : x
  2. Step 2: Convert to fraction form
    185.24/277.65 = 98.47/x
  3. Step 3: Cross multiply
    185.24x = 277.65 × 98.47
  4. Step 4: Simplify right side
    185.24x = 27,339.26
  5. Step 5: Solve for x
    x = 27,339.26/185.24
  6. Step 6: Final answer
    x = 147.59

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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.