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Finding the Fourth Proportional to 81,792.17, 122,600.78 and 37,352.33

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Solution

The fourth proportional to 81,792.17, 122,600.78 and 37,352.33 is: 55,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,792.17 : 122,600.78 = 37,352.33 : x
  2. Step 2: Convert to fraction form
    81,792.17/122,600.78 = 37,352.33/x
  3. Step 3: Cross multiply
    81,792.17x = 122,600.78 × 37,352.33
  4. Step 4: Simplify right side
    81,792.17x = 4,579,425,052.63
  5. Step 5: Solve for x
    x = 4,579,425,052.63/81,792.17
  6. Step 6: Final answer
    x = 55,988.55

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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.