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Finding the Fourth Proportional to 251,413.50, 377,046.44 and 73,878.30

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Solution

The fourth proportional to 251,413.50, 377,046.44 and 73,878.30 is: 110,795.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,413.50 : 377,046.44 = 73,878.30 : x
  2. Step 2: Convert to fraction form
    251,413.50/377,046.44 = 73,878.30/x
  3. Step 3: Cross multiply
    251,413.50x = 377,046.44 × 73,878.30
  4. Step 4: Simplify right side
    251,413.50x = 27,855,549,638.86
  5. Step 5: Solve for x
    x = 27,855,549,638.86/251,413.50
  6. Step 6: Final answer
    x = 110,795.76

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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.