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Finding the Fourth Proportional to 79,709.50, 119,583.78 and 23,549.26

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Solution

The fourth proportional to 79,709.50, 119,583.78 and 23,549.26 is: 35,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,709.50 : 119,583.78 = 23,549.26 : x
  2. Step 2: Convert to fraction form
    79,709.50/119,583.78 = 23,549.26/x
  3. Step 3: Cross multiply
    79,709.50x = 119,583.78 × 23,549.26
  4. Step 4: Simplify right side
    79,709.50x = 2,816,109,527.00
  5. Step 5: Solve for x
    x = 2,816,109,527.00/79,709.50
  6. Step 6: Final answer
    x = 35,329.66

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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.