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Finding the Fourth Proportional to 196,718.09, 295,146.25 and 84,393.77

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Solution

The fourth proportional to 196,718.09, 295,146.25 and 84,393.77 is: 126,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,718.09 : 295,146.25 = 84,393.77 : x
  2. Step 2: Convert to fraction form
    196,718.09/295,146.25 = 84,393.77/x
  3. Step 3: Cross multiply
    196,718.09x = 295,146.25 × 84,393.77
  4. Step 4: Simplify right side
    196,718.09x = 24,908,503,052.15
  5. Step 5: Solve for x
    x = 24,908,503,052.15/196,718.09
  6. Step 6: Final answer
    x = 126,620.30

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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.