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Finding the Fourth Proportional to 332.03, 498.06 and 115.61

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Solution

The fourth proportional to 332.03, 498.06 and 115.61 is: 173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.03 : 498.06 = 115.61 : x
  2. Step 2: Convert to fraction form
    332.03/498.06 = 115.61/x
  3. Step 3: Cross multiply
    332.03x = 498.06 × 115.61
  4. Step 4: Simplify right side
    332.03x = 57,578.23
  5. Step 5: Solve for x
    x = 57,578.23/332.03
  6. Step 6: Final answer
    x = 173.41

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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.