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Finding the Fourth Proportional to 68,077.80, 93,940.20 and 37,858.23

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Solution

The fourth proportional to 68,077.80, 93,940.20 and 37,858.23 is: 52,240.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,077.80 : 93,940.20 = 37,858.23 : x
  2. Step 2: Convert to fraction form
    68,077.80/93,940.20 = 37,858.23/x
  3. Step 3: Cross multiply
    68,077.80x = 93,940.20 × 37,858.23
  4. Step 4: Simplify right side
    68,077.80x = 3,556,409,697.85
  5. Step 5: Solve for x
    x = 3,556,409,697.85/68,077.80
  6. Step 6: Final answer
    x = 52,240.37

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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.