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Finding the Fourth Proportional to 229,559.43, 344,401.11 and 79,808.02

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Solution

The fourth proportional to 229,559.43, 344,401.11 and 79,808.02 is: 119,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,559.43 : 344,401.11 = 79,808.02 : x
  2. Step 2: Convert to fraction form
    229,559.43/344,401.11 = 79,808.02/x
  3. Step 3: Cross multiply
    229,559.43x = 344,401.11 × 79,808.02
  4. Step 4: Simplify right side
    229,559.43x = 27,485,969,813.90
  5. Step 5: Solve for x
    x = 27,485,969,813.90/229,559.43
  6. Step 6: Final answer
    x = 119,733.57

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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.