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Finding the Fourth Proportional to 148,491.86, 222,734.42 and 36,172.67

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Solution

The fourth proportional to 148,491.86, 222,734.42 and 36,172.67 is: 54,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,491.86 : 222,734.42 = 36,172.67 : x
  2. Step 2: Convert to fraction form
    148,491.86/222,734.42 = 36,172.67/x
  3. Step 3: Cross multiply
    148,491.86x = 222,734.42 × 36,172.67
  4. Step 4: Simplify right side
    148,491.86x = 8,056,898,491.44
  5. Step 5: Solve for x
    x = 8,056,898,491.44/148,491.86
  6. Step 6: Final answer
    x = 54,258.18

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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.