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Finding the Fourth Proportional to 69,800.66, 104,699.34 and 22,415.86

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Solution

The fourth proportional to 69,800.66, 104,699.34 and 22,415.86 is: 33,623.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.66 : 104,699.34 = 22,415.86 : x
  2. Step 2: Convert to fraction form
    69,800.66/104,699.34 = 22,415.86/x
  3. Step 3: Cross multiply
    69,800.66x = 104,699.34 × 22,415.86
  4. Step 4: Simplify right side
    69,800.66x = 2,346,925,747.53
  5. Step 5: Solve for x
    x = 2,346,925,747.53/69,800.66
  6. Step 6: Final answer
    x = 33,623.26

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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.