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Finding the Fourth Proportional to 68,193.48, 94,103.43 and 37,978.26

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Solution

The fourth proportional to 68,193.48, 94,103.43 and 37,978.26 is: 52,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,193.48 : 94,103.43 = 37,978.26 : x
  2. Step 2: Convert to fraction form
    68,193.48/94,103.43 = 37,978.26/x
  3. Step 3: Cross multiply
    68,193.48x = 94,103.43 × 37,978.26
  4. Step 4: Simplify right side
    68,193.48x = 3,573,884,531.43
  5. Step 5: Solve for x
    x = 3,573,884,531.43/68,193.48
  6. Step 6: Final answer
    x = 52,408.01

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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.