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Finding the Fourth Proportional to 223,465.23, 335,197.04 and 90,343.89

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Solution

The fourth proportional to 223,465.23, 335,197.04 and 90,343.89 is: 135,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,465.23 : 335,197.04 = 90,343.89 : x
  2. Step 2: Convert to fraction form
    223,465.23/335,197.04 = 90,343.89/x
  3. Step 3: Cross multiply
    223,465.23x = 335,197.04 × 90,343.89
  4. Step 4: Simplify right side
    223,465.23x = 30,283,004,058.37
  5. Step 5: Solve for x
    x = 30,283,004,058.37/223,465.23
  6. Step 6: Final answer
    x = 135,515.51

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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.