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Finding the Fourth Proportional to 194,976.60, 292,238.10 and 89,806.20

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Solution

The fourth proportional to 194,976.60, 292,238.10 and 89,806.20 is: 134,604.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,976.60 : 292,238.10 = 89,806.20 : x
  2. Step 2: Convert to fraction form
    194,976.60/292,238.10 = 89,806.20/x
  3. Step 3: Cross multiply
    194,976.60x = 292,238.10 × 89,806.20
  4. Step 4: Simplify right side
    194,976.60x = 26,244,793,256.22
  5. Step 5: Solve for x
    x = 26,244,793,256.22/194,976.60
  6. Step 6: Final answer
    x = 134,604.84

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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.