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Finding the Fourth Proportional to 69,682.58, 104,523.86 and 30,238.82

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Solution

The fourth proportional to 69,682.58, 104,523.86 and 30,238.82 is: 45,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,682.58 : 104,523.86 = 30,238.82 : x
  2. Step 2: Convert to fraction form
    69,682.58/104,523.86 = 30,238.82/x
  3. Step 3: Cross multiply
    69,682.58x = 104,523.86 × 30,238.82
  4. Step 4: Simplify right side
    69,682.58x = 3,160,677,665.63
  5. Step 5: Solve for x
    x = 3,160,677,665.63/69,682.58
  6. Step 6: Final answer
    x = 45,358.22

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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.