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Finding the Fourth Proportional to 264,032.80, 396,072.48 and 74,494.82

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Solution

The fourth proportional to 264,032.80, 396,072.48 and 74,494.82 is: 111,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,032.80 : 396,072.48 = 74,494.82 : x
  2. Step 2: Convert to fraction form
    264,032.80/396,072.48 = 74,494.82/x
  3. Step 3: Cross multiply
    264,032.80x = 396,072.48 × 74,494.82
  4. Step 4: Simplify right side
    264,032.80x = 29,505,349,374.09
  5. Step 5: Solve for x
    x = 29,505,349,374.09/264,032.80
  6. Step 6: Final answer
    x = 111,748.80

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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.