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Finding the Fourth Proportional to 54,112,844.60, 81,169,266.90 and 50,286,469.40

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Solution

The fourth proportional to 54,112,844.60, 81,169,266.90 and 50,286,469.40 is: 75,429,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112,844.60 : 81,169,266.90 = 50,286,469.40 : x
  2. Step 2: Convert to fraction form
    54,112,844.60/81,169,266.90 = 50,286,469.40/x
  3. Step 3: Cross multiply
    54,112,844.60x = 81,169,266.90 × 50,286,469.40
  4. Step 4: Simplify right side
    54,112,844.60x = 4,081,715,856,187,283
  5. Step 5: Solve for x
    x = 4,081,715,856,187,283/54,112,844.60
  6. Step 6: Final answer
    x = 75,429,704.10

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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.