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Finding the Fourth Proportional to 163,990.52, 246,057.25 and 57,450.90

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Solution

The fourth proportional to 163,990.52, 246,057.25 and 57,450.90 is: 86,201.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,990.52 : 246,057.25 = 57,450.90 : x
  2. Step 2: Convert to fraction form
    163,990.52/246,057.25 = 57,450.90/x
  3. Step 3: Cross multiply
    163,990.52x = 246,057.25 × 57,450.90
  4. Step 4: Simplify right side
    163,990.52x = 14,136,210,320.40
  5. Step 5: Solve for x
    x = 14,136,210,320.40/163,990.52
  6. Step 6: Final answer
    x = 86,201.39

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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.