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Finding the Fourth Proportional to 200,120.01, 300,220.17 and 73,760.88

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Solution

The fourth proportional to 200,120.01, 300,220.17 and 73,760.88 is: 110,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,120.01 : 300,220.17 = 73,760.88 : x
  2. Step 2: Convert to fraction form
    200,120.01/300,220.17 = 73,760.88/x
  3. Step 3: Cross multiply
    200,120.01x = 300,220.17 × 73,760.88
  4. Step 4: Simplify right side
    200,120.01x = 22,144,503,932.95
  5. Step 5: Solve for x
    x = 22,144,503,932.95/200,120.01
  6. Step 6: Final answer
    x = 110,656.12

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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.