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Finding the Fourth Proportional to 73,381,648.60, 110,072,472.90 and 49,195,178.20

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Solution

The fourth proportional to 73,381,648.60, 110,072,472.90 and 49,195,178.20 is: 73,792,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,381,648.60 : 110,072,472.90 = 49,195,178.20 : x
  2. Step 2: Convert to fraction form
    73,381,648.60/110,072,472.90 = 49,195,178.20/x
  3. Step 3: Cross multiply
    73,381,648.60x = 110,072,472.90 × 49,195,178.20
  4. Step 4: Simplify right side
    73,381,648.60x = 5,415,034,919,230,171
  5. Step 5: Solve for x
    x = 5,415,034,919,230,171/73,381,648.60
  6. Step 6: Final answer
    x = 73,792,767.30

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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.