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Finding the Fourth Proportional to 268,342.44, 402,527.37 and 68,664.54

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Solution

The fourth proportional to 268,342.44, 402,527.37 and 68,664.54 is: 103,000.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,342.44 : 402,527.37 = 68,664.54 : x
  2. Step 2: Convert to fraction form
    268,342.44/402,527.37 = 68,664.54/x
  3. Step 3: Cross multiply
    268,342.44x = 402,527.37 × 68,664.54
  4. Step 4: Simplify right side
    268,342.44x = 27,639,356,698.46
  5. Step 5: Solve for x
    x = 27,639,356,698.46/268,342.44
  6. Step 6: Final answer
    x = 103,000.32

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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.