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Finding the Fourth Proportional to 196,168.92, 294,049.26 and 90,901.32

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Solution

The fourth proportional to 196,168.92, 294,049.26 and 90,901.32 is: 136,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,168.92 : 294,049.26 = 90,901.32 : x
  2. Step 2: Convert to fraction form
    196,168.92/294,049.26 = 90,901.32/x
  3. Step 3: Cross multiply
    196,168.92x = 294,049.26 × 90,901.32
  4. Step 4: Simplify right side
    196,168.92x = 26,729,465,879.02
  5. Step 5: Solve for x
    x = 26,729,465,879.02/196,168.92
  6. Step 6: Final answer
    x = 136,257.39

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1.5x scale

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.