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Finding the Fourth Proportional to 69,398.22, 104,096.98 and 16,807.70

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Solution

The fourth proportional to 69,398.22, 104,096.98 and 16,807.70 is: 25,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,398.22 : 104,096.98 = 16,807.70 : x
  2. Step 2: Convert to fraction form
    69,398.22/104,096.98 = 16,807.70/x
  3. Step 3: Cross multiply
    69,398.22x = 104,096.98 × 16,807.70
  4. Step 4: Simplify right side
    69,398.22x = 1,749,631,092.00
  5. Step 5: Solve for x
    x = 1,749,631,092.00/69,398.22
  6. Step 6: Final answer
    x = 25,211.47

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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.