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Finding the Fourth Proportional to 236,048.54, 325,747.01 and 128,618.57

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Solution

The fourth proportional to 236,048.54, 325,747.01 and 128,618.57 is: 177,493.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,048.54 : 325,747.01 = 128,618.57 : x
  2. Step 2: Convert to fraction form
    236,048.54/325,747.01 = 128,618.57/x
  3. Step 3: Cross multiply
    236,048.54x = 325,747.01 × 128,618.57
  4. Step 4: Simplify right side
    236,048.54x = 41,897,112,336.15
  5. Step 5: Solve for x
    x = 41,897,112,336.15/236,048.54
  6. Step 6: Final answer
    x = 177,493.63

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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.