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Finding the Fourth Proportional to 115,940,447.70, 162,555,505.50 and 115,940,447.70

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Solution

The fourth proportional to 115,940,447.70, 162,555,505.50 and 115,940,447.70 is: 162,555,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,940,447.70 : 162,555,505.50 = 115,940,447.70 : x
  2. Step 2: Convert to fraction form
    115,940,447.70/162,555,505.50 = 115,940,447.70/x
  3. Step 3: Cross multiply
    115,940,447.70x = 162,555,505.50 × 115,940,447.70
  4. Step 4: Simplify right side
    115,940,447.70x = 18,846,758,083,769,812
  5. Step 5: Solve for x
    x = 18,846,758,083,769,812/115,940,447.70
  6. Step 6: Final answer
    x = 162,555,505.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.