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Finding the Fourth Proportional to 205,695.15, 308,581.36 and 93,383.29

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Solution

The fourth proportional to 205,695.15, 308,581.36 and 93,383.29 is: 140,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,695.15 : 308,581.36 = 93,383.29 : x
  2. Step 2: Convert to fraction form
    205,695.15/308,581.36 = 93,383.29/x
  3. Step 3: Cross multiply
    205,695.15x = 308,581.36 × 93,383.29
  4. Step 4: Simplify right side
    205,695.15x = 28,816,340,619.65
  5. Step 5: Solve for x
    x = 28,816,340,619.65/205,695.15
  6. Step 6: Final answer
    x = 140,092.47

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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.