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Finding the Fourth Proportional to 119,977.62, 165,601.14 and 68,995.92

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Solution

The fourth proportional to 119,977.62, 165,601.14 and 68,995.92 is: 95,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,977.62 : 165,601.14 = 68,995.92 : x
  2. Step 2: Convert to fraction form
    119,977.62/165,601.14 = 68,995.92/x
  3. Step 3: Cross multiply
    119,977.62x = 165,601.14 × 68,995.92
  4. Step 4: Simplify right side
    119,977.62x = 11,425,803,007.35
  5. Step 5: Solve for x
    x = 11,425,803,007.35/119,977.62
  6. Step 6: Final answer
    x = 95,232.79

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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.