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Finding the Fourth Proportional to 165,892.88, 248,866.68 and 60,859.28

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Solution

The fourth proportional to 165,892.88, 248,866.68 and 60,859.28 is: 91,298.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,892.88 : 248,866.68 = 60,859.28 : x
  2. Step 2: Convert to fraction form
    165,892.88/248,866.68 = 60,859.28/x
  3. Step 3: Cross multiply
    165,892.88x = 248,866.68 × 60,859.28
  4. Step 4: Simplify right side
    165,892.88x = 15,145,846,960.79
  5. Step 5: Solve for x
    x = 15,145,846,960.79/165,892.88
  6. Step 6: Final answer
    x = 91,298.96

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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.