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Finding the Fourth Proportional to 79,814.80, 119,626.20 and 33,043.60

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Solution

The fourth proportional to 79,814.80, 119,626.20 and 33,043.60 is: 49,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,814.80 : 119,626.20 = 33,043.60 : x
  2. Step 2: Convert to fraction form
    79,814.80/119,626.20 = 33,043.60/x
  3. Step 3: Cross multiply
    79,814.80x = 119,626.20 × 33,043.60
  4. Step 4: Simplify right side
    79,814.80x = 3,952,880,302.32
  5. Step 5: Solve for x
    x = 3,952,880,302.32/79,814.80
  6. Step 6: Final answer
    x = 49,525.66

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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.