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Finding the Fourth Proportional to 79,726.80, 119,604.60 and 32,984.40

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Solution

The fourth proportional to 79,726.80, 119,604.60 and 32,984.40 is: 49,482.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726.80 : 119,604.60 = 32,984.40 : x
  2. Step 2: Convert to fraction form
    79,726.80/119,604.60 = 32,984.40/x
  3. Step 3: Cross multiply
    79,726.80x = 119,604.60 × 32,984.40
  4. Step 4: Simplify right side
    79,726.80x = 3,945,085,968.24
  5. Step 5: Solve for x
    x = 3,945,085,968.24/79,726.80
  6. Step 6: Final answer
    x = 49,482.56

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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.