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Finding the Fourth Proportional to 79,804.68, 119,706.72 and 23,645.28

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Solution

The fourth proportional to 79,804.68, 119,706.72 and 23,645.28 is: 35,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,804.68 : 119,706.72 = 23,645.28 : x
  2. Step 2: Convert to fraction form
    79,804.68/119,706.72 = 23,645.28/x
  3. Step 3: Cross multiply
    79,804.68x = 119,706.72 × 23,645.28
  4. Step 4: Simplify right side
    79,804.68x = 2,830,498,912.28
  5. Step 5: Solve for x
    x = 2,830,498,912.28/79,804.68
  6. Step 6: Final answer
    x = 35,467.83

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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.