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Finding the Fourth Proportional to 81,460.94, 122,186.90 and 22,292.38

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Solution

The fourth proportional to 81,460.94, 122,186.90 and 22,292.38 is: 33,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.94 : 122,186.90 = 22,292.38 : x
  2. Step 2: Convert to fraction form
    81,460.94/122,186.90 = 22,292.38/x
  3. Step 3: Cross multiply
    81,460.94x = 122,186.90 × 22,292.38
  4. Step 4: Simplify right side
    81,460.94x = 2,723,836,805.82
  5. Step 5: Solve for x
    x = 2,723,836,805.82/81,460.94
  6. Step 6: Final answer
    x = 33,437.34

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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.