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Finding the Fourth Proportional to 108,792.88, 150,133.77 and 61,046.11

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Solution

The fourth proportional to 108,792.88, 150,133.77 and 61,046.11 is: 84,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,792.88 : 150,133.77 = 61,046.11 : x
  2. Step 2: Convert to fraction form
    108,792.88/150,133.77 = 61,046.11/x
  3. Step 3: Cross multiply
    108,792.88x = 150,133.77 × 61,046.11
  4. Step 4: Simplify right side
    108,792.88x = 9,165,082,825.80
  5. Step 5: Solve for x
    x = 9,165,082,825.80/108,792.88
  6. Step 6: Final answer
    x = 84,243.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.