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Finding the Fourth Proportional to 69,108.55, 103,662.83 and 22,366.15

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Solution

The fourth proportional to 69,108.55, 103,662.83 and 22,366.15 is: 33,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,108.55 : 103,662.83 = 22,366.15 : x
  2. Step 2: Convert to fraction form
    69,108.55/103,662.83 = 22,366.15/x
  3. Step 3: Cross multiply
    69,108.55x = 103,662.83 × 22,366.15
  4. Step 4: Simplify right side
    69,108.55x = 2,318,538,405.20
  5. Step 5: Solve for x
    x = 2,318,538,405.20/69,108.55
  6. Step 6: Final answer
    x = 33,549.23

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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.