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Finding the Fourth Proportional to 225,758.77, 338,656.59 and 113,381.19

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Solution

The fourth proportional to 225,758.77, 338,656.59 and 113,381.19 is: 170,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,758.77 : 338,656.59 = 113,381.19 : x
  2. Step 2: Convert to fraction form
    225,758.77/338,656.59 = 113,381.19/x
  3. Step 3: Cross multiply
    225,758.77x = 338,656.59 × 113,381.19
  4. Step 4: Simplify right side
    225,758.77x = 38,397,287,175.54
  5. Step 5: Solve for x
    x = 38,397,287,175.54/225,758.77
  6. Step 6: Final answer
    x = 170,081.04

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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.