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Finding the Fourth Proportional to 163,029.16, 244,493.22 and 78,736.92

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Solution

The fourth proportional to 163,029.16, 244,493.22 and 78,736.92 is: 118,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,029.16 : 244,493.22 = 78,736.92 : x
  2. Step 2: Convert to fraction form
    163,029.16/244,493.22 = 78,736.92/x
  3. Step 3: Cross multiply
    163,029.16x = 244,493.22 × 78,736.92
  4. Step 4: Simplify right side
    163,029.16x = 19,250,643,103.68
  5. Step 5: Solve for x
    x = 19,250,643,103.68/163,029.16
  6. Step 6: Final answer
    x = 118,080.98

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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.