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Finding the Fourth Proportional to 79,763.57, 110,076.08 and 43,955.87

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Solution

The fourth proportional to 79,763.57, 110,076.08 and 43,955.87 is: 60,660.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,763.57 : 110,076.08 = 43,955.87 : x
  2. Step 2: Convert to fraction form
    79,763.57/110,076.08 = 43,955.87/x
  3. Step 3: Cross multiply
    79,763.57x = 110,076.08 × 43,955.87
  4. Step 4: Simplify right side
    79,763.57x = 4,838,489,918.00
  5. Step 5: Solve for x
    x = 4,838,489,918.00/79,763.57
  6. Step 6: Final answer
    x = 60,660.40

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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.