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Finding the Fourth Proportional to 89,692, 134,519.64 and 33,521.74

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Solution

The fourth proportional to 89,692, 134,519.64 and 33,521.74 is: 50,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,692 : 134,519.64 = 33,521.74 : x
  2. Step 2: Convert to fraction form
    89,692/134,519.64 = 33,521.74/x
  3. Step 3: Cross multiply
    89,692x = 134,519.64 × 33,521.74
  4. Step 4: Simplify right side
    89,692x = 4,509,332,396.97
  5. Step 5: Solve for x
    x = 4,509,332,396.97/89,692
  6. Step 6: Final answer
    x = 50,275.75

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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.