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Finding the Fourth Proportional to 68,170.76, 94,074.90 and 37,955.42

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Solution

The fourth proportional to 68,170.76, 94,074.90 and 37,955.42 is: 52,378.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170.76 : 94,074.90 = 37,955.42 : x
  2. Step 2: Convert to fraction form
    68,170.76/94,074.90 = 37,955.42/x
  3. Step 3: Cross multiply
    68,170.76x = 94,074.90 × 37,955.42
  4. Step 4: Simplify right side
    68,170.76x = 3,570,652,340.96
  5. Step 5: Solve for x
    x = 3,570,652,340.96/68,170.76
  6. Step 6: Final answer
    x = 52,378.06

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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.