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Finding the Fourth Proportional to 103,846.92, 155,836.62 and 37,285.68

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Solution

The fourth proportional to 103,846.92, 155,836.62 and 37,285.68 is: 55,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,846.92 : 155,836.62 = 37,285.68 : x
  2. Step 2: Convert to fraction form
    103,846.92/155,836.62 = 37,285.68/x
  3. Step 3: Cross multiply
    103,846.92x = 155,836.62 × 37,285.68
  4. Step 4: Simplify right side
    103,846.92x = 5,810,474,345.60
  5. Step 5: Solve for x
    x = 5,810,474,345.60/103,846.92
  6. Step 6: Final answer
    x = 55,952.30

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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.