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Finding the Fourth Proportional to 68,732.94, 103,083 and 50,230.92

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Solution

The fourth proportional to 68,732.94, 103,083 and 50,230.92 is: 75,334.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,732.94 : 103,083 = 50,230.92 : x
  2. Step 2: Convert to fraction form
    68,732.94/103,083 = 50,230.92/x
  3. Step 3: Cross multiply
    68,732.94x = 103,083 × 50,230.92
  4. Step 4: Simplify right side
    68,732.94x = 5,177,953,926.36
  5. Step 5: Solve for x
    x = 5,177,953,926.36/68,732.94
  6. Step 6: Final answer
    x = 75,334.39

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1.5x scale

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.