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Finding the Fourth Proportional to 195,058.97, 269,181.70 and 105,634.97

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Solution

The fourth proportional to 195,058.97, 269,181.70 and 105,634.97 is: 145,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,058.97 : 269,181.70 = 105,634.97 : x
  2. Step 2: Convert to fraction form
    195,058.97/269,181.70 = 105,634.97/x
  3. Step 3: Cross multiply
    195,058.97x = 269,181.70 × 105,634.97
  4. Step 4: Simplify right side
    195,058.97x = 28,435,000,203.48
  5. Step 5: Solve for x
    x = 28,435,000,203.48/195,058.97
  6. Step 6: Final answer
    x = 145,776.43

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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.