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Finding the Fourth Proportional to 77,616, 116,425.08 and 22,212

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Solution

The fourth proportional to 77,616, 116,425.08 and 22,212 is: 33,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,616 : 116,425.08 = 22,212 : x
  2. Step 2: Convert to fraction form
    77,616/116,425.08 = 22,212/x
  3. Step 3: Cross multiply
    77,616x = 116,425.08 × 22,212
  4. Step 4: Simplify right side
    77,616x = 2,586,033,876.96
  5. Step 5: Solve for x
    x = 2,586,033,876.96/77,616
  6. Step 6: Final answer
    x = 33,318.31

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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.