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Finding the Fourth Proportional to 141,616.95, 195,415.35 and 83,469.89

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Solution

The fourth proportional to 141,616.95, 195,415.35 and 83,469.89 is: 115,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,616.95 : 195,415.35 = 83,469.89 : x
  2. Step 2: Convert to fraction form
    141,616.95/195,415.35 = 83,469.89/x
  3. Step 3: Cross multiply
    141,616.95x = 195,415.35 × 83,469.89
  4. Step 4: Simplify right side
    141,616.95x = 16,311,296,791.73
  5. Step 5: Solve for x
    x = 16,311,296,791.73/141,616.95
  6. Step 6: Final answer
    x = 115,178.99

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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.