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Finding the Fourth Proportional to 236,101.88, 325,816.46 and 128,672.84

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Solution

The fourth proportional to 236,101.88, 325,816.46 and 128,672.84 is: 177,566.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,101.88 : 325,816.46 = 128,672.84 : x
  2. Step 2: Convert to fraction form
    236,101.88/325,816.46 = 128,672.84/x
  3. Step 3: Cross multiply
    236,101.88x = 325,816.46 × 128,672.84
  4. Step 4: Simplify right side
    236,101.88x = 41,923,729,226.95
  5. Step 5: Solve for x
    x = 41,923,729,226.95/236,101.88
  6. Step 6: Final answer
    x = 177,566.27

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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.