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Finding the Fourth Proportional to 49,171,817.20, 73,757,725.80 and 49,171,817.20

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Solution

The fourth proportional to 49,171,817.20, 73,757,725.80 and 49,171,817.20 is: 73,757,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,171,817.20 : 73,757,725.80 = 49,171,817.20 : x
  2. Step 2: Convert to fraction form
    49,171,817.20/73,757,725.80 = 49,171,817.20/x
  3. Step 3: Cross multiply
    49,171,817.20x = 73,757,725.80 × 49,171,817.20
  4. Step 4: Simplify right side
    49,171,817.20x = 3,626,801,410,125,324
  5. Step 5: Solve for x
    x = 3,626,801,410,125,324/49,171,817.20
  6. Step 6: Final answer
    x = 73,757,725.80

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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.