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Finding the Fourth Proportional to 69,783.22, 96,296.49 and 39,154.54

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Solution

The fourth proportional to 69,783.22, 96,296.49 and 39,154.54 is: 54,030.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.22 : 96,296.49 = 39,154.54 : x
  2. Step 2: Convert to fraction form
    69,783.22/96,296.49 = 39,154.54/x
  3. Step 3: Cross multiply
    69,783.22x = 96,296.49 × 39,154.54
  4. Step 4: Simplify right side
    69,783.22x = 3,770,444,769.56
  5. Step 5: Solve for x
    x = 3,770,444,769.56/69,783.22
  6. Step 6: Final answer
    x = 54,030.82

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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.