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Finding the Fourth Proportional to 59,563.72, 89,345.94 and 20,121.04

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Solution

The fourth proportional to 59,563.72, 89,345.94 and 20,121.04 is: 30,181.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,563.72 : 89,345.94 = 20,121.04 : x
  2. Step 2: Convert to fraction form
    59,563.72/89,345.94 = 20,121.04/x
  3. Step 3: Cross multiply
    59,563.72x = 89,345.94 × 20,121.04
  4. Step 4: Simplify right side
    59,563.72x = 1,797,733,232.58
  5. Step 5: Solve for x
    x = 1,797,733,232.58/59,563.72
  6. Step 6: Final answer
    x = 30,181.68

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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.