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Finding the Fourth Proportional to 165,620.88, 248,269.32 and 65,747.88

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Solution

The fourth proportional to 165,620.88, 248,269.32 and 65,747.88 is: 98,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,620.88 : 248,269.32 = 65,747.88 : x
  2. Step 2: Convert to fraction form
    165,620.88/248,269.32 = 65,747.88/x
  3. Step 3: Cross multiply
    165,620.88x = 248,269.32 × 65,747.88
  4. Step 4: Simplify right side
    165,620.88x = 16,323,181,459.04
  5. Step 5: Solve for x
    x = 16,323,181,459.04/165,620.88
  6. Step 6: Final answer
    x = 98,557.51

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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.