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Finding the Fourth Proportional to 110,523.55, 165,655.47 and 51,234.43

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Solution

The fourth proportional to 110,523.55, 165,655.47 and 51,234.43 is: 76,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,523.55 : 165,655.47 = 51,234.43 : x
  2. Step 2: Convert to fraction form
    110,523.55/165,655.47 = 51,234.43/x
  3. Step 3: Cross multiply
    110,523.55x = 165,655.47 × 51,234.43
  4. Step 4: Simplify right side
    110,523.55x = 8,487,263,581.83
  5. Step 5: Solve for x
    x = 8,487,263,581.83/110,523.55
  6. Step 6: Final answer
    x = 76,791.45

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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.