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Finding the Fourth Proportional to 256,663.93, 354,194.15 and 141,947.41

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Solution

The fourth proportional to 256,663.93, 354,194.15 and 141,947.41 is: 195,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,663.93 : 354,194.15 = 141,947.41 : x
  2. Step 2: Convert to fraction form
    256,663.93/354,194.15 = 141,947.41/x
  3. Step 3: Cross multiply
    256,663.93x = 354,194.15 × 141,947.41
  4. Step 4: Simplify right side
    256,663.93x = 50,276,940,458.68
  5. Step 5: Solve for x
    x = 50,276,940,458.68/256,663.93
  6. Step 6: Final answer
    x = 195,886.27

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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.