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Finding the Fourth Proportional to 67,298.43, 100,818.28 and 37,626.28

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Solution

The fourth proportional to 67,298.43, 100,818.28 and 37,626.28 is: 56,367.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.43 : 100,818.28 = 37,626.28 : x
  2. Step 2: Convert to fraction form
    67,298.43/100,818.28 = 37,626.28/x
  3. Step 3: Cross multiply
    67,298.43x = 100,818.28 × 37,626.28
  4. Step 4: Simplify right side
    67,298.43x = 3,793,416,832.40
  5. Step 5: Solve for x
    x = 3,793,416,832.40/67,298.43
  6. Step 6: Final answer
    x = 56,367.09

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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.