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Finding the Fourth Proportional to 92,405.56, 138,625.44 and 29,241.56

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Solution

The fourth proportional to 92,405.56, 138,625.44 and 29,241.56 is: 43,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,405.56 : 138,625.44 = 29,241.56 : x
  2. Step 2: Convert to fraction form
    92,405.56/138,625.44 = 29,241.56/x
  3. Step 3: Cross multiply
    92,405.56x = 138,625.44 × 29,241.56
  4. Step 4: Simplify right side
    92,405.56x = 4,053,624,121.29
  5. Step 5: Solve for x
    x = 4,053,624,121.29/92,405.56
  6. Step 6: Final answer
    x = 43,867.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.