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Finding the Fourth Proportional to 367,022.96, 550,475.55 and 100,721.30

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Solution

The fourth proportional to 367,022.96, 550,475.55 and 100,721.30 is: 151,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,022.96 : 550,475.55 = 100,721.30 : x
  2. Step 2: Convert to fraction form
    367,022.96/550,475.55 = 100,721.30/x
  3. Step 3: Cross multiply
    367,022.96x = 550,475.55 × 100,721.30
  4. Step 4: Simplify right side
    367,022.96x = 55,444,613,014.22
  5. Step 5: Solve for x
    x = 55,444,613,014.22/367,022.96
  6. Step 6: Final answer
    x = 151,065.79

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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.