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Finding the Fourth Proportional to 205,889.04, 308,808.72 and 93,449.88

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Solution

The fourth proportional to 205,889.04, 308,808.72 and 93,449.88 is: 140,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,889.04 : 308,808.72 = 93,449.88 : x
  2. Step 2: Convert to fraction form
    205,889.04/308,808.72 = 93,449.88/x
  3. Step 3: Cross multiply
    205,889.04x = 308,808.72 × 93,449.88
  4. Step 4: Simplify right side
    205,889.04x = 28,858,137,826.95
  5. Step 5: Solve for x
    x = 28,858,137,826.95/205,889.04
  6. Step 6: Final answer
    x = 140,163.55

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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.