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Finding the Fourth Proportional to 198,058.79, 297,067.12 and 55,900.55

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Solution

The fourth proportional to 198,058.79, 297,067.12 and 55,900.55 is: 83,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,058.79 : 297,067.12 = 55,900.55 : x
  2. Step 2: Convert to fraction form
    198,058.79/297,067.12 = 55,900.55/x
  3. Step 3: Cross multiply
    198,058.79x = 297,067.12 × 55,900.55
  4. Step 4: Simplify right side
    198,058.79x = 16,606,215,394.92
  5. Step 5: Solve for x
    x = 16,606,215,394.92/198,058.79
  6. Step 6: Final answer
    x = 83,844.88

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1.5x scale

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.