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Finding the Fourth Proportional to 68,007.57, 93,844.47 and 37,790.98

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Solution

The fourth proportional to 68,007.57, 93,844.47 and 37,790.98 is: 52,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,007.57 : 93,844.47 = 37,790.98 : x
  2. Step 2: Convert to fraction form
    68,007.57/93,844.47 = 37,790.98/x
  3. Step 3: Cross multiply
    68,007.57x = 93,844.47 × 37,790.98
  4. Step 4: Simplify right side
    68,007.57x = 3,546,474,488.88
  5. Step 5: Solve for x
    x = 3,546,474,488.88/68,007.57
  6. Step 6: Final answer
    x = 52,148.23

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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.