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Finding the Fourth Proportional to 196,818.70, 295,274.91 and 63,698.96

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Solution

The fourth proportional to 196,818.70, 295,274.91 and 63,698.96 is: 95,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,818.70 : 295,274.91 = 63,698.96 : x
  2. Step 2: Convert to fraction form
    196,818.70/295,274.91 = 63,698.96/x
  3. Step 3: Cross multiply
    196,818.70x = 295,274.91 × 63,698.96
  4. Step 4: Simplify right side
    196,818.70x = 18,808,704,362.60
  5. Step 5: Solve for x
    x = 18,808,704,362.60/196,818.70
  6. Step 6: Final answer
    x = 95,563.60

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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.