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Finding the Fourth Proportional to 110,907.63, 166,396.73 and 39,782.07

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Solution

The fourth proportional to 110,907.63, 166,396.73 and 39,782.07 is: 59,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,907.63 : 166,396.73 = 39,782.07 : x
  2. Step 2: Convert to fraction form
    110,907.63/166,396.73 = 39,782.07/x
  3. Step 3: Cross multiply
    110,907.63x = 166,396.73 × 39,782.07
  4. Step 4: Simplify right side
    110,907.63x = 6,619,606,161.72
  5. Step 5: Solve for x
    x = 6,619,606,161.72/110,907.63
  6. Step 6: Final answer
    x = 59,685.76

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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.