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Finding the Fourth Proportional to 69,224.24, 103,834.87 and 19,303.01

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Solution

The fourth proportional to 69,224.24, 103,834.87 and 19,303.01 is: 28,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,224.24 : 103,834.87 = 19,303.01 : x
  2. Step 2: Convert to fraction form
    69,224.24/103,834.87 = 19,303.01/x
  3. Step 3: Cross multiply
    69,224.24x = 103,834.87 × 19,303.01
  4. Step 4: Simplify right side
    69,224.24x = 2,004,325,464.49
  5. Step 5: Solve for x
    x = 2,004,325,464.49/69,224.24
  6. Step 6: Final answer
    x = 28,954.10

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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.