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Finding the Fourth Proportional to 116,049.40, 174,138.90 and 49,478.20

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Solution

The fourth proportional to 116,049.40, 174,138.90 and 49,478.20 is: 74,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,049.40 : 174,138.90 = 49,478.20 : x
  2. Step 2: Convert to fraction form
    116,049.40/174,138.90 = 49,478.20/x
  3. Step 3: Cross multiply
    116,049.40x = 174,138.90 × 49,478.20
  4. Step 4: Simplify right side
    116,049.40x = 8,616,079,321.98
  5. Step 5: Solve for x
    x = 8,616,079,321.98/116,049.40
  6. Step 6: Final answer
    x = 74,244.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.