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Finding the Fourth Proportional to 79,716.58, 110,013.86 and 43,906.58

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Solution

The fourth proportional to 79,716.58, 110,013.86 and 43,906.58 is: 60,593.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716.58 : 110,013.86 = 43,906.58 : x
  2. Step 2: Convert to fraction form
    79,716.58/110,013.86 = 43,906.58/x
  3. Step 3: Cross multiply
    79,716.58x = 110,013.86 × 43,906.58
  4. Step 4: Simplify right side
    79,716.58x = 4,830,332,317.45
  5. Step 5: Solve for x
    x = 4,830,332,317.45/79,716.58
  6. Step 6: Final answer
    x = 60,593.82

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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.