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Finding the Fourth Proportional to 282,049.03, 423,103.11 and 82,369.96

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Solution

The fourth proportional to 282,049.03, 423,103.11 and 82,369.96 is: 123,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,049.03 : 423,103.11 = 82,369.96 : x
  2. Step 2: Convert to fraction form
    282,049.03/423,103.11 = 82,369.96/x
  3. Step 3: Cross multiply
    282,049.03x = 423,103.11 × 82,369.96
  4. Step 4: Simplify right side
    282,049.03x = 34,850,985,188.82
  5. Step 5: Solve for x
    x = 34,850,985,188.82/282,049.03
  6. Step 6: Final answer
    x = 123,563.57

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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.