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Finding the Fourth Proportional to 165,925.31, 248,866.79 and 53,593.86

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Solution

The fourth proportional to 165,925.31, 248,866.79 and 53,593.86 is: 80,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,925.31 : 248,866.79 = 53,593.86 : x
  2. Step 2: Convert to fraction form
    165,925.31/248,866.79 = 53,593.86/x
  3. Step 3: Cross multiply
    165,925.31x = 248,866.79 × 53,593.86
  4. Step 4: Simplify right side
    165,925.31x = 13,337,731,633.94
  5. Step 5: Solve for x
    x = 13,337,731,633.94/165,925.31
  6. Step 6: Final answer
    x = 80,383.95

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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.