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Finding the Fourth Proportional to 255,757.41, 352,964.48 and 148,326.48

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Solution

The fourth proportional to 255,757.41, 352,964.48 and 148,326.48 is: 204,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,757.41 : 352,964.48 = 148,326.48 : x
  2. Step 2: Convert to fraction form
    255,757.41/352,964.48 = 148,326.48/x
  3. Step 3: Cross multiply
    255,757.41x = 352,964.48 × 148,326.48
  4. Step 4: Simplify right side
    255,757.41x = 52,353,978,141.80
  5. Step 5: Solve for x
    x = 52,353,978,141.80/255,757.41
  6. Step 6: Final answer
    x = 204,701.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.