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Finding the Fourth Proportional to 92,769.67, 139,163.62 and 26,210.32

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Solution

The fourth proportional to 92,769.67, 139,163.62 and 26,210.32 is: 39,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.67 : 139,163.62 = 26,210.32 : x
  2. Step 2: Convert to fraction form
    92,769.67/139,163.62 = 26,210.32/x
  3. Step 3: Cross multiply
    92,769.67x = 139,163.62 × 26,210.32
  4. Step 4: Simplify right side
    92,769.67x = 3,647,522,648.27
  5. Step 5: Solve for x
    x = 3,647,522,648.27/92,769.67
  6. Step 6: Final answer
    x = 39,318.05

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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.