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Finding the Fourth Proportional to 353,185.50, 529,721.37 and 96,958.26

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Solution

The fourth proportional to 353,185.50, 529,721.37 and 96,958.26 is: 145,421.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,185.50 : 529,721.37 = 96,958.26 : x
  2. Step 2: Convert to fraction form
    353,185.50/529,721.37 = 96,958.26/x
  3. Step 3: Cross multiply
    353,185.50x = 529,721.37 × 96,958.26
  4. Step 4: Simplify right side
    353,185.50x = 51,360,862,320.02
  5. Step 5: Solve for x
    x = 51,360,862,320.02/353,185.50
  6. Step 6: Final answer
    x = 145,421.78

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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.