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Finding the Fourth Proportional to 236,023.94, 325,716.77 and 128,593.94

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Solution

The fourth proportional to 236,023.94, 325,716.77 and 128,593.94 is: 177,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,023.94 : 325,716.77 = 128,593.94 : x
  2. Step 2: Convert to fraction form
    236,023.94/325,716.77 = 128,593.94/x
  3. Step 3: Cross multiply
    236,023.94x = 325,716.77 × 128,593.94
  4. Step 4: Simplify right side
    236,023.94x = 41,885,201,471.27
  5. Step 5: Solve for x
    x = 41,885,201,471.27/236,023.94
  6. Step 6: Final answer
    x = 177,461.66

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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.