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Finding the Fourth Proportional to 192,028.80, 264,929.76 and 119,426.88

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Solution

The fourth proportional to 192,028.80, 264,929.76 and 119,426.88 is: 164,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,028.80 : 264,929.76 = 119,426.88 : x
  2. Step 2: Convert to fraction form
    192,028.80/264,929.76 = 119,426.88/x
  3. Step 3: Cross multiply
    192,028.80x = 264,929.76 × 119,426.88
  4. Step 4: Simplify right side
    192,028.80x = 31,639,734,655.95
  5. Step 5: Solve for x
    x = 31,639,734,655.95/192,028.80
  6. Step 6: Final answer
    x = 164,765.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.