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Finding the Fourth Proportional to 196,243.39, 294,408.96 and 71,584.39

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Solution

The fourth proportional to 196,243.39, 294,408.96 and 71,584.39 is: 107,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,243.39 : 294,408.96 = 71,584.39 : x
  2. Step 2: Convert to fraction form
    196,243.39/294,408.96 = 71,584.39/x
  3. Step 3: Cross multiply
    196,243.39x = 294,408.96 × 71,584.39
  4. Step 4: Simplify right side
    196,243.39x = 21,075,085,812.13
  5. Step 5: Solve for x
    x = 21,075,085,812.13/196,243.39
  6. Step 6: Final answer
    x = 107,392.59

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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.