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Finding the Fourth Proportional to 332.18, 498.07 and 126.76

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Solution

The fourth proportional to 332.18, 498.07 and 126.76 is: 190.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.18 : 498.07 = 126.76 : x
  2. Step 2: Convert to fraction form
    332.18/498.07 = 126.76/x
  3. Step 3: Cross multiply
    332.18x = 498.07 × 126.76
  4. Step 4: Simplify right side
    332.18x = 63,135.35
  5. Step 5: Solve for x
    x = 63,135.35/332.18
  6. Step 6: Final answer
    x = 190.07

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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.