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Finding the Fourth Proportional to 74,993.33, 103,516.86 and 43,174.91

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Solution

The fourth proportional to 74,993.33, 103,516.86 and 43,174.91 is: 59,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,993.33 : 103,516.86 = 43,174.91 : x
  2. Step 2: Convert to fraction form
    74,993.33/103,516.86 = 43,174.91/x
  3. Step 3: Cross multiply
    74,993.33x = 103,516.86 × 43,174.91
  4. Step 4: Simplify right side
    74,993.33x = 4,469,331,113.98
  5. Step 5: Solve for x
    x = 4,469,331,113.98/74,993.33
  6. Step 6: Final answer
    x = 59,596.38

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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.