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Finding the Fourth Proportional to 84,604.28, 126,903.11 and 34,672.37

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Solution

The fourth proportional to 84,604.28, 126,903.11 and 34,672.37 is: 52,007.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,604.28 : 126,903.11 = 34,672.37 : x
  2. Step 2: Convert to fraction form
    84,604.28/126,903.11 = 34,672.37/x
  3. Step 3: Cross multiply
    84,604.28x = 126,903.11 × 34,672.37
  4. Step 4: Simplify right side
    84,604.28x = 4,400,030,776.19
  5. Step 5: Solve for x
    x = 4,400,030,776.19/84,604.28
  6. Step 6: Final answer
    x = 52,007.19

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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.