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Finding the Fourth Proportional to 164,653.08, 246,979.62 and 39,993.24

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Solution

The fourth proportional to 164,653.08, 246,979.62 and 39,993.24 is: 59,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,653.08 : 246,979.62 = 39,993.24 : x
  2. Step 2: Convert to fraction form
    164,653.08/246,979.62 = 39,993.24/x
  3. Step 3: Cross multiply
    164,653.08x = 246,979.62 × 39,993.24
  4. Step 4: Simplify right side
    164,653.08x = 9,877,515,217.77
  5. Step 5: Solve for x
    x = 9,877,515,217.77/164,653.08
  6. Step 6: Final answer
    x = 59,989.86

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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.