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Finding the Fourth Proportional to 79,515.36, 119,243.52 and 23,340

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Solution

The fourth proportional to 79,515.36, 119,243.52 and 23,340 is: 35,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,515.36 : 119,243.52 = 23,340 : x
  2. Step 2: Convert to fraction form
    79,515.36/119,243.52 = 23,340/x
  3. Step 3: Cross multiply
    79,515.36x = 119,243.52 × 23,340
  4. Step 4: Simplify right side
    79,515.36x = 2,783,143,756.80
  5. Step 5: Solve for x
    x = 2,783,143,756.80/79,515.36
  6. Step 6: Final answer
    x = 35,001.34

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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.