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Finding the Fourth Proportional to 69,269.80, 103,904.70 and 22,527.40

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Solution

The fourth proportional to 69,269.80, 103,904.70 and 22,527.40 is: 33,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,269.80 : 103,904.70 = 22,527.40 : x
  2. Step 2: Convert to fraction form
    69,269.80/103,904.70 = 22,527.40/x
  3. Step 3: Cross multiply
    69,269.80x = 103,904.70 × 22,527.40
  4. Step 4: Simplify right side
    69,269.80x = 2,340,702,738.78
  5. Step 5: Solve for x
    x = 2,340,702,738.78/69,269.80
  6. Step 6: Final answer
    x = 33,791.10

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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.