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Finding the Fourth Proportional to 200,164.87, 300,365.88 and 73,893.16

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Solution

The fourth proportional to 200,164.87, 300,365.88 and 73,893.16 is: 110,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,164.87 : 300,365.88 = 73,893.16 : x
  2. Step 2: Convert to fraction form
    200,164.87/300,365.88 = 73,893.16/x
  3. Step 3: Cross multiply
    200,164.87x = 300,365.88 × 73,893.16
  4. Step 4: Simplify right side
    200,164.87x = 22,194,984,029.38
  5. Step 5: Solve for x
    x = 22,194,984,029.38/200,164.87
  6. Step 6: Final answer
    x = 110,883.51

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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.