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Finding the Fourth Proportional to 332.96, 499.32 and 124.68

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Solution

The fourth proportional to 332.96, 499.32 and 124.68 is: 186.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.96 : 499.32 = 124.68 : x
  2. Step 2: Convert to fraction form
    332.96/499.32 = 124.68/x
  3. Step 3: Cross multiply
    332.96x = 499.32 × 124.68
  4. Step 4: Simplify right side
    332.96x = 62,255.22
  5. Step 5: Solve for x
    x = 62,255.22/332.96
  6. Step 6: Final answer
    x = 186.98

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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.