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Finding the Fourth Proportional to 60,371.84, 90,388.20 and 49,059.92

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Solution

The fourth proportional to 60,371.84, 90,388.20 and 49,059.92 is: 73,452.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,371.84 : 90,388.20 = 49,059.92 : x
  2. Step 2: Convert to fraction form
    60,371.84/90,388.20 = 49,059.92/x
  3. Step 3: Cross multiply
    60,371.84x = 90,388.20 × 49,059.92
  4. Step 4: Simplify right side
    60,371.84x = 4,434,437,860.94
  5. Step 5: Solve for x
    x = 4,434,437,860.94/60,371.84
  6. Step 6: Final answer
    x = 73,452.09

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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.