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Finding the Fourth Proportional to 69,749.19, 104,645.67 and 23,034.87

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Solution

The fourth proportional to 69,749.19, 104,645.67 and 23,034.87 is: 34,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,749.19 : 104,645.67 = 23,034.87 : x
  2. Step 2: Convert to fraction form
    69,749.19/104,645.67 = 23,034.87/x
  3. Step 3: Cross multiply
    69,749.19x = 104,645.67 × 23,034.87
  4. Step 4: Simplify right side
    69,749.19x = 2,410,499,404.51
  5. Step 5: Solve for x
    x = 2,410,499,404.51/69,749.19
  6. Step 6: Final answer
    x = 34,559.53

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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.