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Finding the Fourth Proportional to 50,361,978.60, 75,654,942.30 and 48,458,413.80

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Solution

The fourth proportional to 50,361,978.60, 75,654,942.30 and 48,458,413.80 is: 72,795,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,361,978.60 : 75,654,942.30 = 48,458,413.80 : x
  2. Step 2: Convert to fraction form
    50,361,978.60/75,654,942.30 = 48,458,413.80/x
  3. Step 3: Cross multiply
    50,361,978.60x = 75,654,942.30 × 48,458,413.80
  4. Step 4: Simplify right side
    50,361,978.60x = 3,666,118,499,988,523.50
  5. Step 5: Solve for x
    x = 3,666,118,499,988,523.50/50,361,978.60
  6. Step 6: Final answer
    x = 72,795,362.73

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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.