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Finding the Fourth Proportional to 73,916.70, 110,912.19 and 34,476.90

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Solution

The fourth proportional to 73,916.70, 110,912.19 and 34,476.90 is: 51,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,916.70 : 110,912.19 = 34,476.90 : x
  2. Step 2: Convert to fraction form
    73,916.70/110,912.19 = 34,476.90/x
  3. Step 3: Cross multiply
    73,916.70x = 110,912.19 × 34,476.90
  4. Step 4: Simplify right side
    73,916.70x = 3,823,908,483.41
  5. Step 5: Solve for x
    x = 3,823,908,483.41/73,916.70
  6. Step 6: Final answer
    x = 51,732.67

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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.