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Finding the Fourth Proportional to 79,903.39, 119,823.94 and 29,956.23

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Solution

The fourth proportional to 79,903.39, 119,823.94 and 29,956.23 is: 44,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,903.39 : 119,823.94 = 29,956.23 : x
  2. Step 2: Convert to fraction form
    79,903.39/119,823.94 = 29,956.23/x
  3. Step 3: Cross multiply
    79,903.39x = 119,823.94 × 29,956.23
  4. Step 4: Simplify right side
    79,903.39x = 3,589,473,506.15
  5. Step 5: Solve for x
    x = 3,589,473,506.15/79,903.39
  6. Step 6: Final answer
    x = 44,922.67

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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.