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Finding the Fourth Proportional to 163,617.80, 245,556.30 and 63,825.80

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Solution

The fourth proportional to 163,617.80, 245,556.30 and 63,825.80 is: 95,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,617.80 : 245,556.30 = 63,825.80 : x
  2. Step 2: Convert to fraction form
    163,617.80/245,556.30 = 63,825.80/x
  3. Step 3: Cross multiply
    163,617.80x = 245,556.30 × 63,825.80
  4. Step 4: Simplify right side
    163,617.80x = 15,672,827,292.54
  5. Step 5: Solve for x
    x = 15,672,827,292.54/163,617.80
  6. Step 6: Final answer
    x = 95,789.26

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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.