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Finding the Fourth Proportional to 149,605.56, 206,455.56 and 82,537.56

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Solution

The fourth proportional to 149,605.56, 206,455.56 and 82,537.56 is: 113,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,605.56 : 206,455.56 = 82,537.56 : x
  2. Step 2: Convert to fraction form
    149,605.56/206,455.56 = 82,537.56/x
  3. Step 3: Cross multiply
    149,605.56x = 206,455.56 × 82,537.56
  4. Step 4: Simplify right side
    149,605.56x = 17,040,338,170.83
  5. Step 5: Solve for x
    x = 17,040,338,170.83/149,605.56
  6. Step 6: Final answer
    x = 113,901.77

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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.