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Finding the Fourth Proportional to 223,382.60, 335,073.24 and 90,261.32

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Solution

The fourth proportional to 223,382.60, 335,073.24 and 90,261.32 is: 135,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,382.60 : 335,073.24 = 90,261.32 : x
  2. Step 2: Convert to fraction form
    223,382.60/335,073.24 = 90,261.32/x
  3. Step 3: Cross multiply
    223,382.60x = 335,073.24 × 90,261.32
  4. Step 4: Simplify right side
    223,382.60x = 30,244,152,939.08
  5. Step 5: Solve for x
    x = 30,244,152,939.08/223,382.60
  6. Step 6: Final answer
    x = 135,391.71

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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.