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Finding the Fourth Proportional to 163,857.96, 245,786.82 and 45,529.25

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Solution

The fourth proportional to 163,857.96, 245,786.82 and 45,529.25 is: 68,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,857.96 : 245,786.82 = 45,529.25 : x
  2. Step 2: Convert to fraction form
    163,857.96/245,786.82 = 45,529.25/x
  3. Step 3: Cross multiply
    163,857.96x = 245,786.82 × 45,529.25
  4. Step 4: Simplify right side
    163,857.96x = 11,190,488,345.55
  5. Step 5: Solve for x
    x = 11,190,488,345.55/163,857.96
  6. Step 6: Final answer
    x = 68,293.83

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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.