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Finding the Fourth Proportional to 110,339.55, 165,379.73 and 51,049.98

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Solution

The fourth proportional to 110,339.55, 165,379.73 and 51,049.98 is: 76,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,339.55 : 165,379.73 = 51,049.98 : x
  2. Step 2: Convert to fraction form
    110,339.55/165,379.73 = 51,049.98/x
  3. Step 3: Cross multiply
    110,339.55x = 165,379.73 × 51,049.98
  4. Step 4: Simplify right side
    110,339.55x = 8,442,631,653.66
  5. Step 5: Solve for x
    x = 8,442,631,653.66/110,339.55
  6. Step 6: Final answer
    x = 76,515.01

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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.