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Finding the Fourth Proportional to 223,495.26, 335,242.02 and 90,373.92

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Solution

The fourth proportional to 223,495.26, 335,242.02 and 90,373.92 is: 135,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,495.26 : 335,242.02 = 90,373.92 : x
  2. Step 2: Convert to fraction form
    223,495.26/335,242.02 = 90,373.92/x
  3. Step 3: Cross multiply
    223,495.26x = 335,242.02 × 90,373.92
  4. Step 4: Simplify right side
    223,495.26x = 30,297,135,496.12
  5. Step 5: Solve for x
    x = 30,297,135,496.12/223,495.26
  6. Step 6: Final answer
    x = 135,560.53

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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.