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Finding the Fourth Proportional to 119,702.43, 179,947.35 and 111,041.91

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Solution

The fourth proportional to 119,702.43, 179,947.35 and 111,041.91 is: 166,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,702.43 : 179,947.35 = 111,041.91 : x
  2. Step 2: Convert to fraction form
    119,702.43/179,947.35 = 111,041.91/x
  3. Step 3: Cross multiply
    119,702.43x = 179,947.35 × 111,041.91
  4. Step 4: Simplify right side
    119,702.43x = 19,981,697,443.44
  5. Step 5: Solve for x
    x = 19,981,697,443.44/119,702.43
  6. Step 6: Final answer
    x = 166,928.09

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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.