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Finding the Fourth Proportional to 196,704.83, 294,984.95 and 70,310.96

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Solution

The fourth proportional to 196,704.83, 294,984.95 and 70,310.96 is: 105,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,704.83 : 294,984.95 = 70,310.96 : x
  2. Step 2: Convert to fraction form
    196,704.83/294,984.95 = 70,310.96/x
  3. Step 3: Cross multiply
    196,704.83x = 294,984.95 × 70,310.96
  4. Step 4: Simplify right side
    196,704.83x = 20,740,674,299.77
  5. Step 5: Solve for x
    x = 20,740,674,299.77/196,704.83
  6. Step 6: Final answer
    x = 105,440.60

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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.