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Finding the Fourth Proportional to 79,969.49, 119,822.94 and 27,350.27

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Solution

The fourth proportional to 79,969.49, 119,822.94 and 27,350.27 is: 40,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,969.49 : 119,822.94 = 27,350.27 : x
  2. Step 2: Convert to fraction form
    79,969.49/119,822.94 = 27,350.27/x
  3. Step 3: Cross multiply
    79,969.49x = 119,822.94 × 27,350.27
  4. Step 4: Simplify right side
    79,969.49x = 3,277,189,162.08
  5. Step 5: Solve for x
    x = 3,277,189,162.08/79,969.49
  6. Step 6: Final answer
    x = 40,980.50

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1.5x scale

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.