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Finding the Fourth Proportional to 168,362.70, 252,579.15 and 56,077.80

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Solution

The fourth proportional to 168,362.70, 252,579.15 and 56,077.80 is: 84,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,362.70 : 252,579.15 = 56,077.80 : x
  2. Step 2: Convert to fraction form
    168,362.70/252,579.15 = 56,077.80/x
  3. Step 3: Cross multiply
    168,362.70x = 252,579.15 × 56,077.80
  4. Step 4: Simplify right side
    168,362.70x = 14,164,083,057.87
  5. Step 5: Solve for x
    x = 14,164,083,057.87/168,362.70
  6. Step 6: Final answer
    x = 84,128.39

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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.