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Finding the Fourth Proportional to 367,022.98, 550,475.53 and 100,721.30

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Solution

The fourth proportional to 367,022.98, 550,475.53 and 100,721.30 is: 151,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,022.98 : 550,475.53 = 100,721.30 : x
  2. Step 2: Convert to fraction form
    367,022.98/550,475.53 = 100,721.30/x
  3. Step 3: Cross multiply
    367,022.98x = 550,475.53 × 100,721.30
  4. Step 4: Simplify right side
    367,022.98x = 55,444,610,999.79
  5. Step 5: Solve for x
    x = 55,444,610,999.79/367,022.98
  6. Step 6: Final answer
    x = 151,065.78

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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.