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Finding the Fourth Proportional to 241,987.70, 362,785.39 and 108,770.42

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Solution

The fourth proportional to 241,987.70, 362,785.39 and 108,770.42 is: 163,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,987.70 : 362,785.39 = 108,770.42 : x
  2. Step 2: Convert to fraction form
    241,987.70/362,785.39 = 108,770.42/x
  3. Step 3: Cross multiply
    241,987.70x = 362,785.39 × 108,770.42
  4. Step 4: Simplify right side
    241,987.70x = 39,460,319,240.16
  5. Step 5: Solve for x
    x = 39,460,319,240.16/241,987.70
  6. Step 6: Final answer
    x = 163,067.46

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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.