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Finding the Fourth Proportional to 236,119.52, 325,851.86 and 128,696.51

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Solution

The fourth proportional to 236,119.52, 325,851.86 and 128,696.51 is: 177,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,119.52 : 325,851.86 = 128,696.51 : x
  2. Step 2: Convert to fraction form
    236,119.52/325,851.86 = 128,696.51/x
  3. Step 3: Cross multiply
    236,119.52x = 325,851.86 × 128,696.51
  4. Step 4: Simplify right side
    236,119.52x = 41,935,998,295.38
  5. Step 5: Solve for x
    x = 41,935,998,295.38/236,119.52
  6. Step 6: Final answer
    x = 177,604.96

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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.