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Finding the Fourth Proportional to 110,596.86, 165,807.81 and 79,006.86

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Solution

The fourth proportional to 110,596.86, 165,807.81 and 79,006.86 is: 118,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,596.86 : 165,807.81 = 79,006.86 : x
  2. Step 2: Convert to fraction form
    110,596.86/165,807.81 = 79,006.86/x
  3. Step 3: Cross multiply
    110,596.86x = 165,807.81 × 79,006.86
  4. Step 4: Simplify right side
    110,596.86x = 13,099,954,431.58
  5. Step 5: Solve for x
    x = 13,099,954,431.58/110,596.86
  6. Step 6: Final answer
    x = 118,447.80

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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.