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Finding the Fourth Proportional to 225,878.60, 338,794.14 and 92,772.92

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Solution

The fourth proportional to 225,878.60, 338,794.14 and 92,772.92 is: 139,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,878.60 : 338,794.14 = 92,772.92 : x
  2. Step 2: Convert to fraction form
    225,878.60/338,794.14 = 92,772.92/x
  3. Step 3: Cross multiply
    225,878.60x = 338,794.14 × 92,772.92
  4. Step 4: Simplify right side
    225,878.60x = 31,430,921,646.69
  5. Step 5: Solve for x
    x = 31,430,921,646.69/225,878.60
  6. Step 6: Final answer
    x = 139,149.62

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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.