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Finding the Fourth Proportional to 223,351.70, 335,090.07 and 90,325.35

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Solution

The fourth proportional to 223,351.70, 335,090.07 and 90,325.35 is: 135,513.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,351.70 : 335,090.07 = 90,325.35 : x
  2. Step 2: Convert to fraction form
    223,351.70/335,090.07 = 90,325.35/x
  3. Step 3: Cross multiply
    223,351.70x = 335,090.07 × 90,325.35
  4. Step 4: Simplify right side
    223,351.70x = 30,267,127,854.27
  5. Step 5: Solve for x
    x = 30,267,127,854.27/223,351.70
  6. Step 6: Final answer
    x = 135,513.31

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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.