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Finding the Fourth Proportional to 268,233.92, 402,350.38 and 68,554.36

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Solution

The fourth proportional to 268,233.92, 402,350.38 and 68,554.36 is: 102,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,233.92 : 402,350.38 = 68,554.36 : x
  2. Step 2: Convert to fraction form
    268,233.92/402,350.38 = 68,554.36/x
  3. Step 3: Cross multiply
    268,233.92x = 402,350.38 × 68,554.36
  4. Step 4: Simplify right side
    268,233.92x = 27,582,872,796.66
  5. Step 5: Solve for x
    x = 27,582,872,796.66/268,233.92
  6. Step 6: Final answer
    x = 102,831.41

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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.