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Finding the Fourth Proportional to 68,394.74, 102,628.22 and 48,532.56

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Solution

The fourth proportional to 68,394.74, 102,628.22 and 48,532.56 is: 72,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.74 : 102,628.22 = 48,532.56 : x
  2. Step 2: Convert to fraction form
    68,394.74/102,628.22 = 48,532.56/x
  3. Step 3: Cross multiply
    68,394.74x = 102,628.22 × 48,532.56
  4. Step 4: Simplify right side
    68,394.74x = 4,980,810,244.84
  5. Step 5: Solve for x
    x = 4,980,810,244.84/68,394.74
  6. Step 6: Final answer
    x = 72,824.47

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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.