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Finding the Fourth Proportional to 62,694,469.80, 94,041,704.70 and 38,141,895.60

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Solution

The fourth proportional to 62,694,469.80, 94,041,704.70 and 38,141,895.60 is: 57,212,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694,469.80 : 94,041,704.70 = 38,141,895.60 : x
  2. Step 2: Convert to fraction form
    62,694,469.80/94,041,704.70 = 38,141,895.60/x
  3. Step 3: Cross multiply
    62,694,469.80x = 94,041,704.70 × 38,141,895.60
  4. Step 4: Simplify right side
    62,694,469.80x = 3,586,928,882,713,429.50
  5. Step 5: Solve for x
    x = 3,586,928,882,713,429.50/62,694,469.80
  6. Step 6: Final answer
    x = 57,212,843.40

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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.