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Finding the Fourth Proportional to 68,190.33, 94,095.91 and 37,978.46

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Solution

The fourth proportional to 68,190.33, 94,095.91 and 37,978.46 is: 52,406.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,190.33 : 94,095.91 = 37,978.46 : x
  2. Step 2: Convert to fraction form
    68,190.33/94,095.91 = 37,978.46/x
  3. Step 3: Cross multiply
    68,190.33x = 94,095.91 × 37,978.46
  4. Step 4: Simplify right side
    68,190.33x = 3,573,617,376.44
  5. Step 5: Solve for x
    x = 3,573,617,376.44/68,190.33
  6. Step 6: Final answer
    x = 52,406.52

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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.