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Finding the Fourth Proportional to 192,034.88, 288,081.12 and 67,353.92

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Solution

The fourth proportional to 192,034.88, 288,081.12 and 67,353.92 is: 101,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,034.88 : 288,081.12 = 67,353.92 : x
  2. Step 2: Convert to fraction form
    192,034.88/288,081.12 = 67,353.92/x
  3. Step 3: Cross multiply
    192,034.88x = 288,081.12 × 67,353.92
  4. Step 4: Simplify right side
    192,034.88x = 19,403,392,709.99
  5. Step 5: Solve for x
    x = 19,403,392,709.99/192,034.88
  6. Step 6: Final answer
    x = 101,040.98

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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.