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Finding the Fourth Proportional to 192,266.87, 288,210.77 and 67,520.39

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Solution

The fourth proportional to 192,266.87, 288,210.77 and 67,520.39 is: 101,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,266.87 : 288,210.77 = 67,520.39 : x
  2. Step 2: Convert to fraction form
    192,266.87/288,210.77 = 67,520.39/x
  3. Step 3: Cross multiply
    192,266.87x = 288,210.77 × 67,520.39
  4. Step 4: Simplify right side
    192,266.87x = 19,460,104,144.33
  5. Step 5: Solve for x
    x = 19,460,104,144.33/192,266.87
  6. Step 6: Final answer
    x = 101,214.03

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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.