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Finding the Fourth Proportional to 73,603.23, 110,421.13 and 26,855.97

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Solution

The fourth proportional to 73,603.23, 110,421.13 and 26,855.97 is: 40,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,603.23 : 110,421.13 = 26,855.97 : x
  2. Step 2: Convert to fraction form
    73,603.23/110,421.13 = 26,855.97/x
  3. Step 3: Cross multiply
    73,603.23x = 110,421.13 × 26,855.97
  4. Step 4: Simplify right side
    73,603.23x = 2,965,466,554.65
  5. Step 5: Solve for x
    x = 2,965,466,554.65/73,603.23
  6. Step 6: Final answer
    x = 40,289.90

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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.