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Finding the Fourth Proportional to 200,032.18, 300,078.12 and 73,662.73

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Solution

The fourth proportional to 200,032.18, 300,078.12 and 73,662.73 is: 110,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,032.18 : 300,078.12 = 73,662.73 : x
  2. Step 2: Convert to fraction form
    200,032.18/300,078.12 = 73,662.73/x
  3. Step 3: Cross multiply
    200,032.18x = 300,078.12 × 73,662.73
  4. Step 4: Simplify right side
    200,032.18x = 22,104,573,532.47
  5. Step 5: Solve for x
    x = 22,104,573,532.47/200,032.18
  6. Step 6: Final answer
    x = 110,505.09

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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.