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Finding the Fourth Proportional to 119,391.99, 164,760.03 and 65,675.84

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Solution

The fourth proportional to 119,391.99, 164,760.03 and 65,675.84 is: 90,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,391.99 : 164,760.03 = 65,675.84 : x
  2. Step 2: Convert to fraction form
    119,391.99/164,760.03 = 65,675.84/x
  3. Step 3: Cross multiply
    119,391.99x = 164,760.03 × 65,675.84
  4. Step 4: Simplify right side
    119,391.99x = 10,820,752,544.88
  5. Step 5: Solve for x
    x = 10,820,752,544.88/119,391.99
  6. Step 6: Final answer
    x = 90,632.15

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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.