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Finding the Fourth Proportional to 223,370.61, 335,055.23 and 90,249.29

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Solution

The fourth proportional to 223,370.61, 335,055.23 and 90,249.29 is: 135,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,370.61 : 335,055.23 = 90,249.29 : x
  2. Step 2: Convert to fraction form
    223,370.61/335,055.23 = 90,249.29/x
  3. Step 3: Cross multiply
    223,370.61x = 335,055.23 × 90,249.29
  4. Step 4: Simplify right side
    223,370.61x = 30,238,496,594.31
  5. Step 5: Solve for x
    x = 30,238,496,594.31/223,370.61
  6. Step 6: Final answer
    x = 135,373.66

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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.