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Finding the Fourth Proportional to 168,876.09, 253,165.10 and 63,621.45

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Solution

The fourth proportional to 168,876.09, 253,165.10 and 63,621.45 is: 95,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,876.09 : 253,165.10 = 63,621.45 : x
  2. Step 2: Convert to fraction form
    168,876.09/253,165.10 = 63,621.45/x
  3. Step 3: Cross multiply
    168,876.09x = 253,165.10 × 63,621.45
  4. Step 4: Simplify right side
    168,876.09x = 16,106,730,433.29
  5. Step 5: Solve for x
    x = 16,106,730,433.29/168,876.09
  6. Step 6: Final answer
    x = 95,376.03

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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.