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Finding the Fourth Proportional to 139,713.34, 209,610.84 and 44,941.39

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Solution

The fourth proportional to 139,713.34, 209,610.84 and 44,941.39 is: 67,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,713.34 : 209,610.84 = 44,941.39 : x
  2. Step 2: Convert to fraction form
    139,713.34/209,610.84 = 44,941.39/x
  3. Step 3: Cross multiply
    139,713.34x = 209,610.84 × 44,941.39
  4. Step 4: Simplify right side
    139,713.34x = 9,420,202,508.67
  5. Step 5: Solve for x
    x = 9,420,202,508.67/139,713.34
  6. Step 6: Final answer
    x = 67,425.22

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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.