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Finding the Fourth Proportional to 79,060.79, 118,401.15 and 45,224.22

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Solution

The fourth proportional to 79,060.79, 118,401.15 and 45,224.22 is: 67,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,060.79 : 118,401.15 = 45,224.22 : x
  2. Step 2: Convert to fraction form
    79,060.79/118,401.15 = 45,224.22/x
  3. Step 3: Cross multiply
    79,060.79x = 118,401.15 × 45,224.22
  4. Step 4: Simplify right side
    79,060.79x = 5,354,599,655.85
  5. Step 5: Solve for x
    x = 5,354,599,655.85/79,060.79
  6. Step 6: Final answer
    x = 67,727.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.