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Finding the Fourth Proportional to 90,296.56, 135,457.53 and 37,694.08

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Solution

The fourth proportional to 90,296.56, 135,457.53 and 37,694.08 is: 56,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,296.56 : 135,457.53 = 37,694.08 : x
  2. Step 2: Convert to fraction form
    90,296.56/135,457.53 = 37,694.08/x
  3. Step 3: Cross multiply
    90,296.56x = 135,457.53 × 37,694.08
  4. Step 4: Simplify right side
    90,296.56x = 5,105,946,972.42
  5. Step 5: Solve for x
    x = 5,105,946,972.42/90,296.56
  6. Step 6: Final answer
    x = 56,546.42

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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.