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Finding the Fourth Proportional to 236,057.98, 325,760.07 and 128,628.04

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Solution

The fourth proportional to 236,057.98, 325,760.07 and 128,628.04 is: 177,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,057.98 : 325,760.07 = 128,628.04 : x
  2. Step 2: Convert to fraction form
    236,057.98/325,760.07 = 128,628.04/x
  3. Step 3: Cross multiply
    236,057.98x = 325,760.07 × 128,628.04
  4. Step 4: Simplify right side
    236,057.98x = 41,901,879,314.36
  5. Step 5: Solve for x
    x = 41,901,879,314.36/236,057.98
  6. Step 6: Final answer
    x = 177,506.73

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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.