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Finding the Fourth Proportional to 137,841.98, 190,244.46 and 94,785.41

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Solution

The fourth proportional to 137,841.98, 190,244.46 and 94,785.41 is: 130,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,841.98 : 190,244.46 = 94,785.41 : x
  2. Step 2: Convert to fraction form
    137,841.98/190,244.46 = 94,785.41/x
  3. Step 3: Cross multiply
    137,841.98x = 190,244.46 × 94,785.41
  4. Step 4: Simplify right side
    137,841.98x = 18,032,399,616.94
  5. Step 5: Solve for x
    x = 18,032,399,616.94/137,841.98
  6. Step 6: Final answer
    x = 130,819.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.