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Finding the Fourth Proportional to 90,647.01, 135,950.00 and 34,467.08

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Solution

The fourth proportional to 90,647.01, 135,950.00 and 34,467.08 is: 51,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,647.01 : 135,950.00 = 34,467.08 : x
  2. Step 2: Convert to fraction form
    90,647.01/135,950.00 = 34,467.08/x
  3. Step 3: Cross multiply
    90,647.01x = 135,950.00 × 34,467.08
  4. Step 4: Simplify right side
    90,647.01x = 4,685,798,673.91
  5. Step 5: Solve for x
    x = 4,685,798,673.91/90,647.01
  6. Step 6: Final answer
    x = 51,692.81

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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.