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Finding the Fourth Proportional to 79,794.98, 110,122.71 and 45,809

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Solution

The fourth proportional to 79,794.98, 110,122.71 and 45,809 is: 63,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.98 : 110,122.71 = 45,809 : x
  2. Step 2: Convert to fraction form
    79,794.98/110,122.71 = 45,809/x
  3. Step 3: Cross multiply
    79,794.98x = 110,122.71 × 45,809
  4. Step 4: Simplify right side
    79,794.98x = 5,044,611,222.39
  5. Step 5: Solve for x
    x = 5,044,611,222.39/79,794.98
  6. Step 6: Final answer
    x = 63,219.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.