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Finding the Fourth Proportional to 192,765.66, 266,036.49 and 111,096.78

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Solution

The fourth proportional to 192,765.66, 266,036.49 and 111,096.78 is: 153,325.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,765.66 : 266,036.49 = 111,096.78 : x
  2. Step 2: Convert to fraction form
    192,765.66/266,036.49 = 111,096.78/x
  3. Step 3: Cross multiply
    192,765.66x = 266,036.49 × 111,096.78
  4. Step 4: Simplify right side
    192,765.66x = 29,555,797,401.50
  5. Step 5: Solve for x
    x = 29,555,797,401.50/192,765.66
  6. Step 6: Final answer
    x = 153,325.01

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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.