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Finding the Fourth Proportional to 184,163.76, 276,191.10 and 78,957.72

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Solution

The fourth proportional to 184,163.76, 276,191.10 and 78,957.72 is: 118,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,163.76 : 276,191.10 = 78,957.72 : x
  2. Step 2: Convert to fraction form
    184,163.76/276,191.10 = 78,957.72/x
  3. Step 3: Cross multiply
    184,163.76x = 276,191.10 × 78,957.72
  4. Step 4: Simplify right side
    184,163.76x = 21,807,419,540.29
  5. Step 5: Solve for x
    x = 21,807,419,540.29/184,163.76
  6. Step 6: Final answer
    x = 118,413.20

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1.5x scale

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.