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Finding the Fourth Proportional to 63,854,992.80, 95,794,930.80 and 25,509,981.60

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Solution

The fourth proportional to 63,854,992.80, 95,794,930.80 and 25,509,981.60 is: 38,269,942.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,854,992.80 : 95,794,930.80 = 25,509,981.60 : x
  2. Step 2: Convert to fraction form
    63,854,992.80/95,794,930.80 = 25,509,981.60/x
  3. Step 3: Cross multiply
    63,854,992.80x = 95,794,930.80 × 25,509,981.60
  4. Step 4: Simplify right side
    63,854,992.80x = 2,443,726,922,081,273.50
  5. Step 5: Solve for x
    x = 2,443,726,922,081,273.50/63,854,992.80
  6. Step 6: Final answer
    x = 38,269,942.80

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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.