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Finding the Fourth Proportional to 196,512.60, 294,768.90 and 63,397.20

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Solution

The fourth proportional to 196,512.60, 294,768.90 and 63,397.20 is: 95,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,512.60 : 294,768.90 = 63,397.20 : x
  2. Step 2: Convert to fraction form
    196,512.60/294,768.90 = 63,397.20/x
  3. Step 3: Cross multiply
    196,512.60x = 294,768.90 × 63,397.20
  4. Step 4: Simplify right side
    196,512.60x = 18,687,522,907.08
  5. Step 5: Solve for x
    x = 18,687,522,907.08/196,512.60
  6. Step 6: Final answer
    x = 95,095.80

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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.