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Finding the Fourth Proportional to 178,928.28, 246,921.06 and 98,361

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Solution

The fourth proportional to 178,928.28, 246,921.06 and 98,361 is: 135,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,928.28 : 246,921.06 = 98,361 : x
  2. Step 2: Convert to fraction form
    178,928.28/246,921.06 = 98,361/x
  3. Step 3: Cross multiply
    178,928.28x = 246,921.06 × 98,361
  4. Step 4: Simplify right side
    178,928.28x = 24,287,402,382.66
  5. Step 5: Solve for x
    x = 24,287,402,382.66/178,928.28
  6. Step 6: Final answer
    x = 135,738.20

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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.