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Finding the Fourth Proportional to 69,583.38, 104,198.43 and 58,309.10

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Solution

The fourth proportional to 69,583.38, 104,198.43 and 58,309.10 is: 87,315.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,583.38 : 104,198.43 = 58,309.10 : x
  2. Step 2: Convert to fraction form
    69,583.38/104,198.43 = 58,309.10/x
  3. Step 3: Cross multiply
    69,583.38x = 104,198.43 × 58,309.10
  4. Step 4: Simplify right side
    69,583.38x = 6,075,716,153.72
  5. Step 5: Solve for x
    x = 6,075,716,153.72/69,583.38
  6. Step 6: Final answer
    x = 87,315.62

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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.