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Finding the Fourth Proportional to 217,586.04, 326,323.62 and 67,798.41

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Solution

The fourth proportional to 217,586.04, 326,323.62 and 67,798.41 is: 101,680.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,586.04 : 326,323.62 = 67,798.41 : x
  2. Step 2: Convert to fraction form
    217,586.04/326,323.62 = 67,798.41/x
  3. Step 3: Cross multiply
    217,586.04x = 326,323.62 × 67,798.41
  4. Step 4: Simplify right side
    217,586.04x = 22,124,222,581.44
  5. Step 5: Solve for x
    x = 22,124,222,581.44/217,586.04
  6. Step 6: Final answer
    x = 101,680.34

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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.