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Finding the Fourth Proportional to 109,768.41, 151,480.55 and 59,467.41

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Solution

The fourth proportional to 109,768.41, 151,480.55 and 59,467.41 is: 82,065.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,768.41 : 151,480.55 = 59,467.41 : x
  2. Step 2: Convert to fraction form
    109,768.41/151,480.55 = 59,467.41/x
  3. Step 3: Cross multiply
    109,768.41x = 151,480.55 × 59,467.41
  4. Step 4: Simplify right side
    109,768.41x = 9,008,156,122.54
  5. Step 5: Solve for x
    x = 9,008,156,122.54/109,768.41
  6. Step 6: Final answer
    x = 82,065.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.