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Finding the Fourth Proportional to 367,145.90, 550,618.56 and 100,843.10

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Solution

The fourth proportional to 367,145.90, 550,618.56 and 100,843.10 is: 151,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,145.90 : 550,618.56 = 100,843.10 : x
  2. Step 2: Convert to fraction form
    367,145.90/550,618.56 = 100,843.10/x
  3. Step 3: Cross multiply
    367,145.90x = 550,618.56 × 100,843.10
  4. Step 4: Simplify right side
    367,145.90x = 55,526,079,754.84
  5. Step 5: Solve for x
    x = 55,526,079,754.84/367,145.90
  6. Step 6: Final answer
    x = 151,237.10

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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.