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Finding the Fourth Proportional to 243,932.80, 366,129.60 and 150,620.80

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Solution

The fourth proportional to 243,932.80, 366,129.60 and 150,620.80 is: 226,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,932.80 : 366,129.60 = 150,620.80 : x
  2. Step 2: Convert to fraction form
    243,932.80/366,129.60 = 150,620.80/x
  3. Step 3: Cross multiply
    243,932.80x = 366,129.60 × 150,620.80
  4. Step 4: Simplify right side
    243,932.80x = 55,146,733,255.68
  5. Step 5: Solve for x
    x = 55,146,733,255.68/243,932.80
  6. Step 6: Final answer
    x = 226,073.46

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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.