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Finding the Fourth Proportional to 74,273.92, 111,413.52 and 24,355.20

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Solution

The fourth proportional to 74,273.92, 111,413.52 and 24,355.20 is: 36,533.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.92 : 111,413.52 = 24,355.20 : x
  2. Step 2: Convert to fraction form
    74,273.92/111,413.52 = 24,355.20/x
  3. Step 3: Cross multiply
    74,273.92x = 111,413.52 × 24,355.20
  4. Step 4: Simplify right side
    74,273.92x = 2,713,498,562.30
  5. Step 5: Solve for x
    x = 2,713,498,562.30/74,273.92
  6. Step 6: Final answer
    x = 36,533.67

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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.