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Finding the Fourth Proportional to 196,508.60, 294,820.31 and 63,385.91

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Solution

The fourth proportional to 196,508.60, 294,820.31 and 63,385.91 is: 95,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,508.60 : 294,820.31 = 63,385.91 : x
  2. Step 2: Convert to fraction form
    196,508.60/294,820.31 = 63,385.91/x
  3. Step 3: Cross multiply
    196,508.60x = 294,820.31 × 63,385.91
  4. Step 4: Simplify right side
    196,508.60x = 18,687,451,844.80
  5. Step 5: Solve for x
    x = 18,687,451,844.80/196,508.60
  6. Step 6: Final answer
    x = 95,097.38

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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.