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Finding the Fourth Proportional to 67,298.93, 100,819.03 and 37,626.78

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Solution

The fourth proportional to 67,298.93, 100,819.03 and 37,626.78 is: 56,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.93 : 100,819.03 = 37,626.78 : x
  2. Step 2: Convert to fraction form
    67,298.93/100,819.03 = 37,626.78/x
  3. Step 3: Cross multiply
    67,298.93x = 100,819.03 × 37,626.78
  4. Step 4: Simplify right side
    67,298.93x = 3,793,495,461.62
  5. Step 5: Solve for x
    x = 3,793,495,461.62/67,298.93
  6. Step 6: Final answer
    x = 56,367.84

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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.