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Finding the Fourth Proportional to 68,155.97, 94,053.03 and 37,940.30

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Solution

The fourth proportional to 68,155.97, 94,053.03 and 37,940.30 is: 52,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,155.97 : 94,053.03 = 37,940.30 : x
  2. Step 2: Convert to fraction form
    68,155.97/94,053.03 = 37,940.30/x
  3. Step 3: Cross multiply
    68,155.97x = 94,053.03 × 37,940.30
  4. Step 4: Simplify right side
    68,155.97x = 3,568,400,174.11
  5. Step 5: Solve for x
    x = 3,568,400,174.11/68,155.97
  6. Step 6: Final answer
    x = 52,356.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.