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Finding the Fourth Proportional to 78,906.36, 108,886.36 and 44,923.12

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Solution

The fourth proportional to 78,906.36, 108,886.36 and 44,923.12 is: 61,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,906.36 : 108,886.36 = 44,923.12 : x
  2. Step 2: Convert to fraction form
    78,906.36/108,886.36 = 44,923.12/x
  3. Step 3: Cross multiply
    78,906.36x = 108,886.36 × 44,923.12
  4. Step 4: Simplify right side
    78,906.36x = 4,891,515,016.64
  5. Step 5: Solve for x
    x = 4,891,515,016.64/78,906.36
  6. Step 6: Final answer
    x = 61,991.39

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1.5x scale

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.