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Finding the Fourth Proportional to 79,367.64, 119,009.34 and 34,942.92

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Solution

The fourth proportional to 79,367.64, 119,009.34 and 34,942.92 is: 52,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.64 : 119,009.34 = 34,942.92 : x
  2. Step 2: Convert to fraction form
    79,367.64/119,009.34 = 34,942.92/x
  3. Step 3: Cross multiply
    79,367.64x = 119,009.34 × 34,942.92
  4. Step 4: Simplify right side
    79,367.64x = 4,158,533,846.87
  5. Step 5: Solve for x
    x = 4,158,533,846.87/79,367.64
  6. Step 6: Final answer
    x = 52,395.84

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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.