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Finding the Fourth Proportional to 223,576.80, 335,328.74 and 65,768.34

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Solution

The fourth proportional to 223,576.80, 335,328.74 and 65,768.34 is: 98,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,576.80 : 335,328.74 = 65,768.34 : x
  2. Step 2: Convert to fraction form
    223,576.80/335,328.74 = 65,768.34/x
  3. Step 3: Cross multiply
    223,576.80x = 335,328.74 × 65,768.34
  4. Step 4: Simplify right side
    223,576.80x = 22,054,014,584.09
  5. Step 5: Solve for x
    x = 22,054,014,584.09/223,576.80
  6. Step 6: Final answer
    x = 98,641.78

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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.