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Finding the Fourth Proportional to 254,366.28, 351,026.84 and 158,928.34

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Solution

The fourth proportional to 254,366.28, 351,026.84 and 158,928.34 is: 219,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,366.28 : 351,026.84 = 158,928.34 : x
  2. Step 2: Convert to fraction form
    254,366.28/351,026.84 = 158,928.34/x
  3. Step 3: Cross multiply
    254,366.28x = 351,026.84 × 158,928.34
  4. Step 4: Simplify right side
    254,366.28x = 55,788,112,976.65
  5. Step 5: Solve for x
    x = 55,788,112,976.65/254,366.28
  6. Step 6: Final answer
    x = 219,321.97

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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.