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Finding the Fourth Proportional to 154,763.20, 232,290.60 and 132,601.60

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Solution

The fourth proportional to 154,763.20, 232,290.60 and 132,601.60 is: 199,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,763.20 : 232,290.60 = 132,601.60 : x
  2. Step 2: Convert to fraction form
    154,763.20/232,290.60 = 132,601.60/x
  3. Step 3: Cross multiply
    154,763.20x = 232,290.60 × 132,601.60
  4. Step 4: Simplify right side
    154,763.20x = 30,802,105,224.96
  5. Step 5: Solve for x
    x = 30,802,105,224.96/154,763.20
  6. Step 6: Final answer
    x = 199,027.32

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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.