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Finding the Fourth Proportional to 205,662.60, 308,379.24 and 63,467.55

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Solution

The fourth proportional to 205,662.60, 308,379.24 and 63,467.55 is: 95,165.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,662.60 : 308,379.24 = 63,467.55 : x
  2. Step 2: Convert to fraction form
    205,662.60/308,379.24 = 63,467.55/x
  3. Step 3: Cross multiply
    205,662.60x = 308,379.24 × 63,467.55
  4. Step 4: Simplify right side
    205,662.60x = 19,572,074,833.66
  5. Step 5: Solve for x
    x = 19,572,074,833.66/205,662.60
  6. Step 6: Final answer
    x = 95,165.94

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1.5x scale

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.