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Finding the Fourth Proportional to 200,048.40, 300,072.60 and 168,555.60

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Solution

The fourth proportional to 200,048.40, 300,072.60 and 168,555.60 is: 252,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,048.40 : 300,072.60 = 168,555.60 : x
  2. Step 2: Convert to fraction form
    200,048.40/300,072.60 = 168,555.60/x
  3. Step 3: Cross multiply
    200,048.40x = 300,072.60 × 168,555.60
  4. Step 4: Simplify right side
    200,048.40x = 50,578,917,136.56
  5. Step 5: Solve for x
    x = 50,578,917,136.56/200,048.40
  6. Step 6: Final answer
    x = 252,833.40

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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.