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Finding the Fourth Proportional to 195,467.70, 269,774.37 and 123,854.39

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Solution

The fourth proportional to 195,467.70, 269,774.37 and 123,854.39 is: 170,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,467.70 : 269,774.37 = 123,854.39 : x
  2. Step 2: Convert to fraction form
    195,467.70/269,774.37 = 123,854.39/x
  3. Step 3: Cross multiply
    195,467.70x = 269,774.37 × 123,854.39
  4. Step 4: Simplify right side
    195,467.70x = 33,412,740,033.98
  5. Step 5: Solve for x
    x = 33,412,740,033.98/195,467.70
  6. Step 6: Final answer
    x = 170,937.40

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1.5x scale

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.