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Finding the Fourth Proportional to 236,840.88, 326,840.49 and 127,945.26

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Solution

The fourth proportional to 236,840.88, 326,840.49 and 127,945.26 is: 176,564.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,840.88 : 326,840.49 = 127,945.26 : x
  2. Step 2: Convert to fraction form
    236,840.88/326,840.49 = 127,945.26/x
  3. Step 3: Cross multiply
    236,840.88x = 326,840.49 × 127,945.26
  4. Step 4: Simplify right side
    236,840.88x = 41,817,691,471.58
  5. Step 5: Solve for x
    x = 41,817,691,471.58/236,840.88
  6. Step 6: Final answer
    x = 176,564.50

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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.