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Finding the Fourth Proportional to 134,634.84, 201,986.86 and 50,396.21

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Solution

The fourth proportional to 134,634.84, 201,986.86 and 50,396.21 is: 75,607.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,634.84 : 201,986.86 = 50,396.21 : x
  2. Step 2: Convert to fraction form
    134,634.84/201,986.86 = 50,396.21/x
  3. Step 3: Cross multiply
    134,634.84x = 201,986.86 × 50,396.21
  4. Step 4: Simplify right side
    134,634.84x = 10,179,371,077.88
  5. Step 5: Solve for x
    x = 10,179,371,077.88/134,634.84
  6. Step 6: Final answer
    x = 75,607.26

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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.