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Finding the Fourth Proportional to 159,536.55, 239,661.23 and 133,292.55

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Solution

The fourth proportional to 159,536.55, 239,661.23 and 133,292.55 is: 200,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,536.55 : 239,661.23 = 133,292.55 : x
  2. Step 2: Convert to fraction form
    159,536.55/239,661.23 = 133,292.55/x
  3. Step 3: Cross multiply
    159,536.55x = 239,661.23 × 133,292.55
  4. Step 4: Simplify right side
    159,536.55x = 31,945,055,816.37
  5. Step 5: Solve for x
    x = 31,945,055,816.37/159,536.55
  6. Step 6: Final answer
    x = 200,236.60

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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.