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Finding the Fourth Proportional to 332,807.88, 499,295.76 and 92,921.56

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Solution

The fourth proportional to 332,807.88, 499,295.76 and 92,921.56 is: 139,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,807.88 : 499,295.76 = 92,921.56 : x
  2. Step 2: Convert to fraction form
    332,807.88/499,295.76 = 92,921.56/x
  3. Step 3: Cross multiply
    332,807.88x = 499,295.76 × 92,921.56
  4. Step 4: Simplify right side
    332,807.88x = 46,395,340,920.59
  5. Step 5: Solve for x
    x = 46,395,340,920.59/332,807.88
  6. Step 6: Final answer
    x = 139,405.78

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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.