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Finding the Fourth Proportional to 68,852.92, 103,277.22 and 37,882.84

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Solution

The fourth proportional to 68,852.92, 103,277.22 and 37,882.84 is: 56,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,852.92 : 103,277.22 = 37,882.84 : x
  2. Step 2: Convert to fraction form
    68,852.92/103,277.22 = 37,882.84/x
  3. Step 3: Cross multiply
    68,852.92x = 103,277.22 × 37,882.84
  4. Step 4: Simplify right side
    68,852.92x = 3,912,434,400.90
  5. Step 5: Solve for x
    x = 3,912,434,400.90/68,852.92
  6. Step 6: Final answer
    x = 56,823.07

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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.