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Finding the Fourth Proportional to 69,693.22, 104,381.71 and 44,392.87

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Solution

The fourth proportional to 69,693.22, 104,381.71 and 44,392.87 is: 66,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.22 : 104,381.71 = 44,392.87 : x
  2. Step 2: Convert to fraction form
    69,693.22/104,381.71 = 44,392.87/x
  3. Step 3: Cross multiply
    69,693.22x = 104,381.71 × 44,392.87
  4. Step 4: Simplify right side
    69,693.22x = 4,633,803,682.41
  5. Step 5: Solve for x
    x = 4,633,803,682.41/69,693.22
  6. Step 6: Final answer
    x = 66,488.59

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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.