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Finding the Fourth Proportional to 69,787.35, 104,698.56 and 22,406.67

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Solution

The fourth proportional to 69,787.35, 104,698.56 and 22,406.67 is: 33,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.35 : 104,698.56 = 22,406.67 : x
  2. Step 2: Convert to fraction form
    69,787.35/104,698.56 = 22,406.67/x
  3. Step 3: Cross multiply
    69,787.35x = 104,698.56 × 22,406.67
  4. Step 4: Simplify right side
    69,787.35x = 2,345,946,167.42
  5. Step 5: Solve for x
    x = 2,345,946,167.42/69,787.35
  6. Step 6: Final answer
    x = 33,615.64

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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.