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Finding the Fourth Proportional to 164,791.80, 247,284.90 and 108,793.80

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Solution

The fourth proportional to 164,791.80, 247,284.90 and 108,793.80 is: 163,254.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,791.80 : 247,284.90 = 108,793.80 : x
  2. Step 2: Convert to fraction form
    164,791.80/247,284.90 = 108,793.80/x
  3. Step 3: Cross multiply
    164,791.80x = 247,284.90 × 108,793.80
  4. Step 4: Simplify right side
    164,791.80x = 26,903,063,953.62
  5. Step 5: Solve for x
    x = 26,903,063,953.62/164,791.80
  6. Step 6: Final answer
    x = 163,254.87

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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.