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Finding the Fourth Proportional to 192,203.82, 288,491.76 and 92,432.88

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Solution

The fourth proportional to 192,203.82, 288,491.76 and 92,432.88 is: 138,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,203.82 : 288,491.76 = 92,432.88 : x
  2. Step 2: Convert to fraction form
    192,203.82/288,491.76 = 92,432.88/x
  3. Step 3: Cross multiply
    192,203.82x = 288,491.76 × 92,432.88
  4. Step 4: Simplify right side
    192,203.82x = 26,666,124,233.07
  5. Step 5: Solve for x
    x = 26,666,124,233.07/192,203.82
  6. Step 6: Final answer
    x = 138,738.78

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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.