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Finding the Fourth Proportional to 69,874.12, 104,826.30 and 23,127.40

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Solution

The fourth proportional to 69,874.12, 104,826.30 and 23,127.40 is: 34,696.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,874.12 : 104,826.30 = 23,127.40 : x
  2. Step 2: Convert to fraction form
    69,874.12/104,826.30 = 23,127.40/x
  3. Step 3: Cross multiply
    69,874.12x = 104,826.30 × 23,127.40
  4. Step 4: Simplify right side
    69,874.12x = 2,424,359,770.62
  5. Step 5: Solve for x
    x = 2,424,359,770.62/69,874.12
  6. Step 6: Final answer
    x = 34,696.10

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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.