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Finding the Fourth Proportional to 154,149.56, 231,239.72 and 41,831.56

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Solution

The fourth proportional to 154,149.56, 231,239.72 and 41,831.56 is: 62,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,149.56 : 231,239.72 = 41,831.56 : x
  2. Step 2: Convert to fraction form
    154,149.56/231,239.72 = 41,831.56/x
  3. Step 3: Cross multiply
    154,149.56x = 231,239.72 × 41,831.56
  4. Step 4: Simplify right side
    154,149.56x = 9,673,118,221.56
  5. Step 5: Solve for x
    x = 9,673,118,221.56/154,149.56
  6. Step 6: Final answer
    x = 62,751.51

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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.