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Finding the Fourth Proportional to 137,558.40, 206,337.60 and 44,073.60

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Solution

The fourth proportional to 137,558.40, 206,337.60 and 44,073.60 is: 66,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,558.40 : 206,337.60 = 44,073.60 : x
  2. Step 2: Convert to fraction form
    137,558.40/206,337.60 = 44,073.60/x
  3. Step 3: Cross multiply
    137,558.40x = 206,337.60 × 44,073.60
  4. Step 4: Simplify right side
    137,558.40x = 9,094,040,847.36
  5. Step 5: Solve for x
    x = 9,094,040,847.36/137,558.40
  6. Step 6: Final answer
    x = 66,110.40

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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.