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Finding the Fourth Proportional to 281,872.00, 422,832.59 and 71,509.94

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Solution

The fourth proportional to 281,872.00, 422,832.59 and 71,509.94 is: 107,271.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,872.00 : 422,832.59 = 71,509.94 : x
  2. Step 2: Convert to fraction form
    281,872.00/422,832.59 = 71,509.94/x
  3. Step 3: Cross multiply
    281,872.00x = 422,832.59 × 71,509.94
  4. Step 4: Simplify right side
    281,872.00x = 30,236,732,523.02
  5. Step 5: Solve for x
    x = 30,236,732,523.02/281,872.00
  6. Step 6: Final answer
    x = 107,271.15

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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.