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Finding the Fourth Proportional to 69,405.20, 104,109.93 and 23,812.27

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Solution

The fourth proportional to 69,405.20, 104,109.93 and 23,812.27 is: 35,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,405.20 : 104,109.93 = 23,812.27 : x
  2. Step 2: Convert to fraction form
    69,405.20/104,109.93 = 23,812.27/x
  3. Step 3: Cross multiply
    69,405.20x = 104,109.93 × 23,812.27
  4. Step 4: Simplify right side
    69,405.20x = 2,479,093,423.13
  5. Step 5: Solve for x
    x = 2,479,093,423.13/69,405.20
  6. Step 6: Final answer
    x = 35,719.13

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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.