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Finding the Fourth Proportional to 196,956.83, 295,509.70 and 77,099.44

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Solution

The fourth proportional to 196,956.83, 295,509.70 and 77,099.44 is: 115,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,956.83 : 295,509.70 = 77,099.44 : x
  2. Step 2: Convert to fraction form
    196,956.83/295,509.70 = 77,099.44/x
  3. Step 3: Cross multiply
    196,956.83x = 295,509.70 × 77,099.44
  4. Step 4: Simplify right side
    196,956.83x = 22,783,632,384.57
  5. Step 5: Solve for x
    x = 22,783,632,384.57/196,956.83
  6. Step 6: Final answer
    x = 115,678.31

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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.