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Finding the Fourth Proportional to 196,751.12, 295,063.79 and 84,401.19

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Solution

The fourth proportional to 196,751.12, 295,063.79 and 84,401.19 is: 126,574.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,751.12 : 295,063.79 = 84,401.19 : x
  2. Step 2: Convert to fraction form
    196,751.12/295,063.79 = 84,401.19/x
  3. Step 3: Cross multiply
    196,751.12x = 295,063.79 × 84,401.19
  4. Step 4: Simplify right side
    196,751.12x = 24,903,734,579.90
  5. Step 5: Solve for x
    x = 24,903,734,579.90/196,751.12
  6. Step 6: Final answer
    x = 126,574.81

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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.