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Finding the Fourth Proportional to 196,876.80, 295,358.40 and 63,734.40

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Solution

The fourth proportional to 196,876.80, 295,358.40 and 63,734.40 is: 95,615.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,876.80 : 295,358.40 = 63,734.40 : x
  2. Step 2: Convert to fraction form
    196,876.80/295,358.40 = 63,734.40/x
  3. Step 3: Cross multiply
    196,876.80x = 295,358.40 × 63,734.40
  4. Step 4: Simplify right side
    196,876.80x = 18,824,490,408.96
  5. Step 5: Solve for x
    x = 18,824,490,408.96/196,876.80
  6. Step 6: Final answer
    x = 95,615.59

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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.