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Finding the Fourth Proportional to 92,591.76, 127,741.38 and 68,450.68

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Solution

The fourth proportional to 92,591.76, 127,741.38 and 68,450.68 is: 94,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,591.76 : 127,741.38 = 68,450.68 : x
  2. Step 2: Convert to fraction form
    92,591.76/127,741.38 = 68,450.68/x
  3. Step 3: Cross multiply
    92,591.76x = 127,741.38 × 68,450.68
  4. Step 4: Simplify right side
    92,591.76x = 8,743,984,325.14
  5. Step 5: Solve for x
    x = 8,743,984,325.14/92,591.76
  6. Step 6: Final answer
    x = 94,435.88

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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.