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Finding the Fourth Proportional to 89,149.98, 133,634.90 and 55,893.38

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Solution

The fourth proportional to 89,149.98, 133,634.90 and 55,893.38 is: 83,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,149.98 : 133,634.90 = 55,893.38 : x
  2. Step 2: Convert to fraction form
    89,149.98/133,634.90 = 55,893.38/x
  3. Step 3: Cross multiply
    89,149.98x = 133,634.90 × 55,893.38
  4. Step 4: Simplify right side
    89,149.98x = 7,469,306,246.96
  5. Step 5: Solve for x
    x = 7,469,306,246.96/89,149.98
  6. Step 6: Final answer
    x = 83,783.60

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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.