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Finding the Fourth Proportional to 196,543.80, 294,378.30 and 192,169.80

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Solution

The fourth proportional to 196,543.80, 294,378.30 and 192,169.80 is: 287,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,543.80 : 294,378.30 = 192,169.80 : x
  2. Step 2: Convert to fraction form
    196,543.80/294,378.30 = 192,169.80/x
  3. Step 3: Cross multiply
    196,543.80x = 294,378.30 × 192,169.80
  4. Step 4: Simplify right side
    196,543.80x = 56,570,619,035.34
  5. Step 5: Solve for x
    x = 56,570,619,035.34/196,543.80
  6. Step 6: Final answer
    x = 287,827.03

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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.