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Finding the Fourth Proportional to 77,844.54, 107,424.97 and 43,863.97

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Solution

The fourth proportional to 77,844.54, 107,424.97 and 43,863.97 is: 60,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,844.54 : 107,424.97 = 43,863.97 : x
  2. Step 2: Convert to fraction form
    77,844.54/107,424.97 = 43,863.97/x
  3. Step 3: Cross multiply
    77,844.54x = 107,424.97 × 43,863.97
  4. Step 4: Simplify right side
    77,844.54x = 4,712,085,809.32
  5. Step 5: Solve for x
    x = 4,712,085,809.32/77,844.54
  6. Step 6: Final answer
    x = 60,532.00

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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.