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Finding the Fourth Proportional to 92,819.40, 139,244.90 and 36,630.11

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Solution

The fourth proportional to 92,819.40, 139,244.90 and 36,630.11 is: 54,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,819.40 : 139,244.90 = 36,630.11 : x
  2. Step 2: Convert to fraction form
    92,819.40/139,244.90 = 36,630.11/x
  3. Step 3: Cross multiply
    92,819.40x = 139,244.90 × 36,630.11
  4. Step 4: Simplify right side
    92,819.40x = 5,100,556,003.94
  5. Step 5: Solve for x
    x = 5,100,556,003.94/92,819.40
  6. Step 6: Final answer
    x = 54,951.40

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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.