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Finding the Fourth Proportional to 139,524.60, 209,285.02 and 34,344.44

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Solution

The fourth proportional to 139,524.60, 209,285.02 and 34,344.44 is: 51,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,524.60 : 209,285.02 = 34,344.44 : x
  2. Step 2: Convert to fraction form
    139,524.60/209,285.02 = 34,344.44/x
  3. Step 3: Cross multiply
    139,524.60x = 209,285.02 × 34,344.44
  4. Step 4: Simplify right side
    139,524.60x = 7,187,776,812.29
  5. Step 5: Solve for x
    x = 7,187,776,812.29/139,524.60
  6. Step 6: Final answer
    x = 51,516.20

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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.