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Finding the Fourth Proportional to 196,660.50, 294,991.83 and 48,916.50

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Solution

The fourth proportional to 196,660.50, 294,991.83 and 48,916.50 is: 73,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,660.50 : 294,991.83 = 48,916.50 : x
  2. Step 2: Convert to fraction form
    196,660.50/294,991.83 = 48,916.50/x
  3. Step 3: Cross multiply
    196,660.50x = 294,991.83 × 48,916.50
  4. Step 4: Simplify right side
    196,660.50x = 14,429,967,852.20
  5. Step 5: Solve for x
    x = 14,429,967,852.20/196,660.50
  6. Step 6: Final answer
    x = 73,375.02

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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.