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Finding the Fourth Proportional to 90,453.76, 135,687.14 and 23,893.02

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Solution

The fourth proportional to 90,453.76, 135,687.14 and 23,893.02 is: 35,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,453.76 : 135,687.14 = 23,893.02 : x
  2. Step 2: Convert to fraction form
    90,453.76/135,687.14 = 23,893.02/x
  3. Step 3: Cross multiply
    90,453.76x = 135,687.14 × 23,893.02
  4. Step 4: Simplify right side
    90,453.76x = 3,241,975,609.50
  5. Step 5: Solve for x
    x = 3,241,975,609.50/90,453.76
  6. Step 6: Final answer
    x = 35,841.25

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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.