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Finding the Fourth Proportional to 205,618.56, 308,456.72 and 63,475.44

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Solution

The fourth proportional to 205,618.56, 308,456.72 and 63,475.44 is: 95,222.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,618.56 : 308,456.72 = 63,475.44 : x
  2. Step 2: Convert to fraction form
    205,618.56/308,456.72 = 63,475.44/x
  3. Step 3: Cross multiply
    205,618.56x = 308,456.72 × 63,475.44
  4. Step 4: Simplify right side
    205,618.56x = 19,579,426,022.96
  5. Step 5: Solve for x
    x = 19,579,426,022.96/205,618.56
  6. Step 6: Final answer
    x = 95,222.08

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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.