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Finding the Fourth Proportional to 235,469.01, 353,276.46 and 81,608.13

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Solution

The fourth proportional to 235,469.01, 353,276.46 and 81,608.13 is: 122,437.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,469.01 : 353,276.46 = 81,608.13 : x
  2. Step 2: Convert to fraction form
    235,469.01/353,276.46 = 81,608.13/x
  3. Step 3: Cross multiply
    235,469.01x = 353,276.46 × 81,608.13
  4. Step 4: Simplify right side
    235,469.01x = 28,830,231,273.62
  5. Step 5: Solve for x
    x = 28,830,231,273.62/235,469.01
  6. Step 6: Final answer
    x = 122,437.48

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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.