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Finding the Fourth Proportional to 332,683.92, 499,057.28 and 92,813.76

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Solution

The fourth proportional to 332,683.92, 499,057.28 and 92,813.76 is: 139,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,683.92 : 499,057.28 = 92,813.76 : x
  2. Step 2: Convert to fraction form
    332,683.92/499,057.28 = 92,813.76/x
  3. Step 3: Cross multiply
    332,683.92x = 499,057.28 × 92,813.76
  4. Step 4: Simplify right side
    332,683.92x = 46,319,382,612.17
  5. Step 5: Solve for x
    x = 46,319,382,612.17/332,683.92
  6. Step 6: Final answer
    x = 139,229.40

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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.