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Finding the Fourth Proportional to 69,663.40, 104,502.38 and 22,919.96

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Solution

The fourth proportional to 69,663.40, 104,502.38 and 22,919.96 is: 34,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,663.40 : 104,502.38 = 22,919.96 : x
  2. Step 2: Convert to fraction form
    69,663.40/104,502.38 = 22,919.96/x
  3. Step 3: Cross multiply
    69,663.40x = 104,502.38 × 22,919.96
  4. Step 4: Simplify right side
    69,663.40x = 2,395,190,369.50
  5. Step 5: Solve for x
    x = 2,395,190,369.50/69,663.40
  6. Step 6: Final answer
    x = 34,382.34

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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.