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Finding the Fourth Proportional to 237,940.21, 356,919.99 and 60,451.80

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Solution

The fourth proportional to 237,940.21, 356,919.99 and 60,451.80 is: 90,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,940.21 : 356,919.99 = 60,451.80 : x
  2. Step 2: Convert to fraction form
    237,940.21/356,919.99 = 60,451.80/x
  3. Step 3: Cross multiply
    237,940.21x = 356,919.99 × 60,451.80
  4. Step 4: Simplify right side
    237,940.21x = 21,576,455,851.48
  5. Step 5: Solve for x
    x = 21,576,455,851.48/237,940.21
  6. Step 6: Final answer
    x = 90,680.16

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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.