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Finding the Fourth Proportional to 236,518.56, 354,589.47 and 136,565.37

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Solution

The fourth proportional to 236,518.56, 354,589.47 and 136,565.37 is: 204,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,518.56 : 354,589.47 = 136,565.37 : x
  2. Step 2: Convert to fraction form
    236,518.56/354,589.47 = 136,565.37/x
  3. Step 3: Cross multiply
    236,518.56x = 354,589.47 × 136,565.37
  4. Step 4: Simplify right side
    236,518.56x = 48,424,642,168.65
  5. Step 5: Solve for x
    x = 48,424,642,168.65/236,518.56
  6. Step 6: Final answer
    x = 204,739.29

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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.