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Finding the Fourth Proportional to 79,794.80, 119,709.94 and 34,823.40

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Solution

The fourth proportional to 79,794.80, 119,709.94 and 34,823.40 is: 52,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.80 : 119,709.94 = 34,823.40 : x
  2. Step 2: Convert to fraction form
    79,794.80/119,709.94 = 34,823.40/x
  3. Step 3: Cross multiply
    79,794.80x = 119,709.94 × 34,823.40
  4. Step 4: Simplify right side
    79,794.80x = 4,168,707,124.60
  5. Step 5: Solve for x
    x = 4,168,707,124.60/79,794.80
  6. Step 6: Final answer
    x = 52,242.84

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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.