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Finding the Fourth Proportional to 103,600.84, 155,448.42 and 50,264.02

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Solution

The fourth proportional to 103,600.84, 155,448.42 and 50,264.02 is: 75,418.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,600.84 : 155,448.42 = 50,264.02 : x
  2. Step 2: Convert to fraction form
    103,600.84/155,448.42 = 50,264.02/x
  3. Step 3: Cross multiply
    103,600.84x = 155,448.42 × 50,264.02
  4. Step 4: Simplify right side
    103,600.84x = 7,813,462,491.85
  5. Step 5: Solve for x
    x = 7,813,462,491.85/103,600.84
  6. Step 6: Final answer
    x = 75,418.91

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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.