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Finding the Fourth Proportional to 71,858,998.80, 107,804,244.60 and 35,484,814.80

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Solution

The fourth proportional to 71,858,998.80, 107,804,244.60 and 35,484,814.80 is: 53,234,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,858,998.80 : 107,804,244.60 = 35,484,814.80 : x
  2. Step 2: Convert to fraction form
    71,858,998.80/107,804,244.60 = 35,484,814.80/x
  3. Step 3: Cross multiply
    71,858,998.80x = 107,804,244.60 × 35,484,814.80
  4. Step 4: Simplify right side
    71,858,998.80x = 3,825,413,654,284,899.50
  5. Step 5: Solve for x
    x = 3,825,413,654,284,899.50/71,858,998.80
  6. Step 6: Final answer
    x = 53,234,997.96

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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.