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Finding the Fourth Proportional to 61,165.73, 91,686.62 and 41,446.28

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Solution

The fourth proportional to 61,165.73, 91,686.62 and 41,446.28 is: 62,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,165.73 : 91,686.62 = 41,446.28 : x
  2. Step 2: Convert to fraction form
    61,165.73/91,686.62 = 41,446.28/x
  3. Step 3: Cross multiply
    61,165.73x = 91,686.62 × 41,446.28
  4. Step 4: Simplify right side
    61,165.73x = 3,800,068,969.96
  5. Step 5: Solve for x
    x = 3,800,068,969.96/61,165.73
  6. Step 6: Final answer
    x = 62,127.42

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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.