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Finding the Fourth Proportional to 235,371.64, 324,809.70 and 127,939.24

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Solution

The fourth proportional to 235,371.64, 324,809.70 and 127,939.24 is: 176,554.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,371.64 : 324,809.70 = 127,939.24 : x
  2. Step 2: Convert to fraction form
    235,371.64/324,809.70 = 127,939.24/x
  3. Step 3: Cross multiply
    235,371.64x = 324,809.70 × 127,939.24
  4. Step 4: Simplify right side
    235,371.64x = 41,555,906,162.63
  5. Step 5: Solve for x
    x = 41,555,906,162.63/235,371.64
  6. Step 6: Final answer
    x = 176,554.43

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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.