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Finding the Fourth Proportional to 54,961,201.80, 82,441,802.70 and 53,701,489.80

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Solution

The fourth proportional to 54,961,201.80, 82,441,802.70 and 53,701,489.80 is: 80,552,234.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961,201.80 : 82,441,802.70 = 53,701,489.80 : x
  2. Step 2: Convert to fraction form
    54,961,201.80/82,441,802.70 = 53,701,489.80/x
  3. Step 3: Cross multiply
    54,961,201.80x = 82,441,802.70 × 53,701,489.80
  4. Step 4: Simplify right side
    54,961,201.80x = 4,427,247,626,787,662.50
  5. Step 5: Solve for x
    x = 4,427,247,626,787,662.50/54,961,201.80
  6. Step 6: Final answer
    x = 80,552,234.70

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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.