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Finding the Fourth Proportional to 69,748.40, 104,622.60 and 22,363.40

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Solution

The fourth proportional to 69,748.40, 104,622.60 and 22,363.40 is: 33,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,748.40 : 104,622.60 = 22,363.40 : x
  2. Step 2: Convert to fraction form
    69,748.40/104,622.60 = 22,363.40/x
  3. Step 3: Cross multiply
    69,748.40x = 104,622.60 × 22,363.40
  4. Step 4: Simplify right side
    69,748.40x = 2,339,717,052.84
  5. Step 5: Solve for x
    x = 2,339,717,052.84/69,748.40
  6. Step 6: Final answer
    x = 33,545.10

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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.