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Finding the Fourth Proportional to 165,635.67, 248,493.12 and 53,326.38

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Solution

The fourth proportional to 165,635.67, 248,493.12 and 53,326.38 is: 80,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,635.67 : 248,493.12 = 53,326.38 : x
  2. Step 2: Convert to fraction form
    165,635.67/248,493.12 = 53,326.38/x
  3. Step 3: Cross multiply
    165,635.67x = 248,493.12 × 53,326.38
  4. Step 4: Simplify right side
    165,635.67x = 13,251,238,544.51
  5. Step 5: Solve for x
    x = 13,251,238,544.51/165,635.67
  6. Step 6: Final answer
    x = 80,002.32

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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.