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Finding the Fourth Proportional to 168,652.94, 253,061.42 and 79,800.59

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Solution

The fourth proportional to 168,652.94, 253,061.42 and 79,800.59 is: 119,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,652.94 : 253,061.42 = 79,800.59 : x
  2. Step 2: Convert to fraction form
    168,652.94/253,061.42 = 79,800.59/x
  3. Step 3: Cross multiply
    168,652.94x = 253,061.42 × 79,800.59
  4. Step 4: Simplify right side
    168,652.94x = 20,194,450,855.89
  5. Step 5: Solve for x
    x = 20,194,450,855.89/168,652.94
  6. Step 6: Final answer
    x = 119,739.69

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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.