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Finding the Fourth Proportional to 259,953.25, 389,929.89 and 93,741.25

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Solution

The fourth proportional to 259,953.25, 389,929.89 and 93,741.25 is: 140,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,953.25 : 389,929.89 = 93,741.25 : x
  2. Step 2: Convert to fraction form
    259,953.25/389,929.89 = 93,741.25/x
  3. Step 3: Cross multiply
    259,953.25x = 389,929.89 × 93,741.25
  4. Step 4: Simplify right side
    259,953.25x = 36,552,515,300.96
  5. Step 5: Solve for x
    x = 36,552,515,300.96/259,953.25
  6. Step 6: Final answer
    x = 140,611.88

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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.