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Finding the Fourth Proportional to 168,137.92, 252,212.16 and 62,936.80

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Solution

The fourth proportional to 168,137.92, 252,212.16 and 62,936.80 is: 94,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,137.92 : 252,212.16 = 62,936.80 : x
  2. Step 2: Convert to fraction form
    168,137.92/252,212.16 = 62,936.80/x
  3. Step 3: Cross multiply
    168,137.92x = 252,212.16 × 62,936.80
  4. Step 4: Simplify right side
    168,137.92x = 15,873,426,271.49
  5. Step 5: Solve for x
    x = 15,873,426,271.49/168,137.92
  6. Step 6: Final answer
    x = 94,407.18

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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.