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Finding the Fourth Proportional to 79,715.88, 110,014.65 and 43,912.62

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Solution

The fourth proportional to 79,715.88, 110,014.65 and 43,912.62 is: 60,603.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715.88 : 110,014.65 = 43,912.62 : x
  2. Step 2: Convert to fraction form
    79,715.88/110,014.65 = 43,912.62/x
  3. Step 3: Cross multiply
    79,715.88x = 110,014.65 × 43,912.62
  4. Step 4: Simplify right side
    79,715.88x = 4,831,031,519.88
  5. Step 5: Solve for x
    x = 4,831,031,519.88/79,715.88
  6. Step 6: Final answer
    x = 60,603.13

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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.