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Finding the Fourth Proportional to 234,661.82, 323,831.76 and 127,231.52

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Solution

The fourth proportional to 234,661.82, 323,831.76 and 127,231.52 is: 175,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,661.82 : 323,831.76 = 127,231.52 : x
  2. Step 2: Convert to fraction form
    234,661.82/323,831.76 = 127,231.52/x
  3. Step 3: Cross multiply
    234,661.82x = 323,831.76 × 127,231.52
  4. Step 4: Simplify right side
    234,661.82x = 41,201,607,049.08
  5. Step 5: Solve for x
    x = 41,201,607,049.08/234,661.82
  6. Step 6: Final answer
    x = 175,578.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.