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Finding the Fourth Proportional to 79,364.44, 119,047.38 and 20,200.18

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Solution

The fourth proportional to 79,364.44, 119,047.38 and 20,200.18 is: 30,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,364.44 : 119,047.38 = 20,200.18 : x
  2. Step 2: Convert to fraction form
    79,364.44/119,047.38 = 20,200.18/x
  3. Step 3: Cross multiply
    79,364.44x = 119,047.38 × 20,200.18
  4. Step 4: Simplify right side
    79,364.44x = 2,404,778,504.53
  5. Step 5: Solve for x
    x = 2,404,778,504.53/79,364.44
  6. Step 6: Final answer
    x = 30,300.45

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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.