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Finding the Fourth Proportional to 445,369.42, 667,923.42 and 125,500.06

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Solution

The fourth proportional to 445,369.42, 667,923.42 and 125,500.06 is: 188,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,369.42 : 667,923.42 = 125,500.06 : x
  2. Step 2: Convert to fraction form
    445,369.42/667,923.42 = 125,500.06/x
  3. Step 3: Cross multiply
    445,369.42x = 667,923.42 × 125,500.06
  4. Step 4: Simplify right side
    445,369.42x = 83,824,429,285.41
  5. Step 5: Solve for x
    x = 83,824,429,285.41/445,369.42
  6. Step 6: Final answer
    x = 188,213.26

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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.