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Finding the Fourth Proportional to 79,885.49, 119,828.27 and 27,295.49

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Solution

The fourth proportional to 79,885.49, 119,828.27 and 27,295.49 is: 40,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.49 : 119,828.27 = 27,295.49 : x
  2. Step 2: Convert to fraction form
    79,885.49/119,828.27 = 27,295.49/x
  3. Step 3: Cross multiply
    79,885.49x = 119,828.27 × 27,295.49
  4. Step 4: Simplify right side
    79,885.49x = 3,270,770,678.12
  5. Step 5: Solve for x
    x = 3,270,770,678.12/79,885.49
  6. Step 6: Final answer
    x = 40,943.24

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Similar ratio
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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.