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Finding the Fourth Proportional to 56,915,978.69, 85,361,190.45 and 26,181,039.80

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Solution

The fourth proportional to 56,915,978.69, 85,361,190.45 and 26,181,039.80 is: 39,265,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,915,978.69 : 85,361,190.45 = 26,181,039.80 : x
  2. Step 2: Convert to fraction form
    56,915,978.69/85,361,190.45 = 26,181,039.80/x
  3. Step 3: Cross multiply
    56,915,978.69x = 85,361,190.45 × 26,181,039.80
  4. Step 4: Simplify right side
    56,915,978.69x = 2,234,844,724,546,830
  5. Step 5: Solve for x
    x = 2,234,844,724,546,830/56,915,978.69
  6. Step 6: Final answer
    x = 39,265,682.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.