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Finding the Fourth Proportional to 68,165.20, 94,073.88 and 37,961.20

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Solution

The fourth proportional to 68,165.20, 94,073.88 and 37,961.20 is: 52,389.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,165.20 : 94,073.88 = 37,961.20 : x
  2. Step 2: Convert to fraction form
    68,165.20/94,073.88 = 37,961.20/x
  3. Step 3: Cross multiply
    68,165.20x = 94,073.88 × 37,961.20
  4. Step 4: Simplify right side
    68,165.20x = 3,571,157,373.46
  5. Step 5: Solve for x
    x = 3,571,157,373.46/68,165.20
  6. Step 6: Final answer
    x = 52,389.74

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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.