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Finding the Fourth Proportional to 163,843.14, 245,860.24 and 69,067.52

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Solution

The fourth proportional to 163,843.14, 245,860.24 and 69,067.52 is: 103,641.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,843.14 : 245,860.24 = 69,067.52 : x
  2. Step 2: Convert to fraction form
    163,843.14/245,860.24 = 69,067.52/x
  3. Step 3: Cross multiply
    163,843.14x = 245,860.24 × 69,067.52
  4. Step 4: Simplify right side
    163,843.14x = 16,980,957,043.40
  5. Step 5: Solve for x
    x = 16,980,957,043.40/163,843.14
  6. Step 6: Final answer
    x = 103,641.55

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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.