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Finding the Fourth Proportional to 69,004.10, 103,469.70 and 29,516.60

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Solution

The fourth proportional to 69,004.10, 103,469.70 and 29,516.60 is: 44,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,004.10 : 103,469.70 = 29,516.60 : x
  2. Step 2: Convert to fraction form
    69,004.10/103,469.70 = 29,516.60/x
  3. Step 3: Cross multiply
    69,004.10x = 103,469.70 × 29,516.60
  4. Step 4: Simplify right side
    69,004.10x = 3,054,073,747.02
  5. Step 5: Solve for x
    x = 3,054,073,747.02/69,004.10
  6. Step 6: Final answer
    x = 44,259.31

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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.