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Finding the Fourth Proportional to 196,859.90, 295,336.89 and 63,740.32

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Solution

The fourth proportional to 196,859.90, 295,336.89 and 63,740.32 is: 95,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,859.90 : 295,336.89 = 63,740.32 : x
  2. Step 2: Convert to fraction form
    196,859.90/295,336.89 = 63,740.32/x
  3. Step 3: Cross multiply
    196,859.90x = 295,336.89 × 63,740.32
  4. Step 4: Simplify right side
    196,859.90x = 18,824,867,138.06
  5. Step 5: Solve for x
    x = 18,824,867,138.06/196,859.90
  6. Step 6: Final answer
    x = 95,625.71

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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.