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Finding the Fourth Proportional to 110,859.88, 166,290.73 and 47,675.63

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Solution

The fourth proportional to 110,859.88, 166,290.73 and 47,675.63 is: 71,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.88 : 166,290.73 = 47,675.63 : x
  2. Step 2: Convert to fraction form
    110,859.88/166,290.73 = 47,675.63/x
  3. Step 3: Cross multiply
    110,859.88x = 166,290.73 × 47,675.63
  4. Step 4: Simplify right side
    110,859.88x = 7,928,014,484.46
  5. Step 5: Solve for x
    x = 7,928,014,484.46/110,859.88
  6. Step 6: Final answer
    x = 71,513.83

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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.