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Finding the Fourth Proportional to 203,108.31, 304,481.70 and 96,426.45

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Solution

The fourth proportional to 203,108.31, 304,481.70 and 96,426.45 is: 144,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,108.31 : 304,481.70 = 96,426.45 : x
  2. Step 2: Convert to fraction form
    203,108.31/304,481.70 = 96,426.45/x
  3. Step 3: Cross multiply
    203,108.31x = 304,481.70 × 96,426.45
  4. Step 4: Simplify right side
    203,108.31x = 29,360,089,420.97
  5. Step 5: Solve for x
    x = 29,360,089,420.97/203,108.31
  6. Step 6: Final answer
    x = 144,553.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.