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Finding the Fourth Proportional to 90,492.08, 135,796.44 and 35,088.08

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Solution

The fourth proportional to 90,492.08, 135,796.44 and 35,088.08 is: 52,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,492.08 : 135,796.44 = 35,088.08 : x
  2. Step 2: Convert to fraction form
    90,492.08/135,796.44 = 35,088.08/x
  3. Step 3: Cross multiply
    90,492.08x = 135,796.44 × 35,088.08
  4. Step 4: Simplify right side
    90,492.08x = 4,764,836,350.44
  5. Step 5: Solve for x
    x = 4,764,836,350.44/90,492.08
  6. Step 6: Final answer
    x = 52,654.73

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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.