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Finding the Fourth Proportional to 69,339.93, 104,009.56 and 16,749.25

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Solution

The fourth proportional to 69,339.93, 104,009.56 and 16,749.25 is: 25,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,339.93 : 104,009.56 = 16,749.25 : x
  2. Step 2: Convert to fraction form
    69,339.93/104,009.56 = 16,749.25/x
  3. Step 3: Cross multiply
    69,339.93x = 104,009.56 × 16,749.25
  4. Step 4: Simplify right side
    69,339.93x = 1,742,082,122.83
  5. Step 5: Solve for x
    x = 1,742,082,122.83/69,339.93
  6. Step 6: Final answer
    x = 25,123.79

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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.