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Finding the Fourth Proportional to 332,172.86, 498,017.90 and 132,433.34

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Solution

The fourth proportional to 332,172.86, 498,017.90 and 132,433.34 is: 198,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,172.86 : 498,017.90 = 132,433.34 : x
  2. Step 2: Convert to fraction form
    332,172.86/498,017.90 = 132,433.34/x
  3. Step 3: Cross multiply
    332,172.86x = 498,017.90 × 132,433.34
  4. Step 4: Simplify right side
    332,172.86x = 65,954,171,055.61
  5. Step 5: Solve for x
    x = 65,954,171,055.61/332,172.86
  6. Step 6: Final answer
    x = 198,553.77

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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.