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Finding the Fourth Proportional to 236,104.58, 325,814.81 and 128,672.30

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Solution

The fourth proportional to 236,104.58, 325,814.81 and 128,672.30 is: 177,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,104.58 : 325,814.81 = 128,672.30 : x
  2. Step 2: Convert to fraction form
    236,104.58/325,814.81 = 128,672.30/x
  3. Step 3: Cross multiply
    236,104.58x = 325,814.81 × 128,672.30
  4. Step 4: Simplify right side
    236,104.58x = 41,923,338,704.33
  5. Step 5: Solve for x
    x = 41,923,338,704.33/236,104.58
  6. Step 6: Final answer
    x = 177,562.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.