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Finding the Fourth Proportional to 213,491.33, 320,226.06 and 63,732.86

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Solution

The fourth proportional to 213,491.33, 320,226.06 and 63,732.86 is: 95,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,491.33 : 320,226.06 = 63,732.86 : x
  2. Step 2: Convert to fraction form
    213,491.33/320,226.06 = 63,732.86/x
  3. Step 3: Cross multiply
    213,491.33x = 320,226.06 × 63,732.86
  4. Step 4: Simplify right side
    213,491.33x = 20,408,922,130.55
  5. Step 5: Solve for x
    x = 20,408,922,130.55/213,491.33
  6. Step 6: Final answer
    x = 95,596.02

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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.