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Finding the Fourth Proportional to 205,558.44, 308,370.93 and 63,370.47

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Solution

The fourth proportional to 205,558.44, 308,370.93 and 63,370.47 is: 95,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,558.44 : 308,370.93 = 63,370.47 : x
  2. Step 2: Convert to fraction form
    205,558.44/308,370.93 = 63,370.47/x
  3. Step 3: Cross multiply
    205,558.44x = 308,370.93 × 63,370.47
  4. Step 4: Simplify right side
    205,558.44x = 19,541,610,768.44
  5. Step 5: Solve for x
    x = 19,541,610,768.44/205,558.44
  6. Step 6: Final answer
    x = 95,065.96

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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.