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Finding the Fourth Proportional to 203,650.56, 305,573.04 and 98,411.04

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Solution

The fourth proportional to 203,650.56, 305,573.04 and 98,411.04 is: 147,663.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,650.56 : 305,573.04 = 98,411.04 : x
  2. Step 2: Convert to fraction form
    203,650.56/305,573.04 = 98,411.04/x
  3. Step 3: Cross multiply
    203,650.56x = 305,573.04 × 98,411.04
  4. Step 4: Simplify right side
    203,650.56x = 30,071,760,662.36
  5. Step 5: Solve for x
    x = 30,071,760,662.36/203,650.56
  6. Step 6: Final answer
    x = 147,663.53

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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.