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Finding the Fourth Proportional to 68,170.67, 94,079.41 and 40,955.08

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Solution

The fourth proportional to 68,170.67, 94,079.41 and 40,955.08 is: 56,520.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170.67 : 94,079.41 = 40,955.08 : x
  2. Step 2: Convert to fraction form
    68,170.67/94,079.41 = 40,955.08/x
  3. Step 3: Cross multiply
    68,170.67x = 94,079.41 × 40,955.08
  4. Step 4: Simplify right side
    68,170.67x = 3,853,029,660.52
  5. Step 5: Solve for x
    x = 3,853,029,660.52/68,170.67
  6. Step 6: Final answer
    x = 56,520.34

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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.