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Finding the Fourth Proportional to 168,076.56, 252,114.84 and 43,417.56

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Solution

The fourth proportional to 168,076.56, 252,114.84 and 43,417.56 is: 65,126.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,076.56 : 252,114.84 = 43,417.56 : x
  2. Step 2: Convert to fraction form
    168,076.56/252,114.84 = 43,417.56/x
  3. Step 3: Cross multiply
    168,076.56x = 252,114.84 × 43,417.56
  4. Step 4: Simplify right side
    168,076.56x = 10,946,211,192.59
  5. Step 5: Solve for x
    x = 10,946,211,192.59/168,076.56
  6. Step 6: Final answer
    x = 65,126.34

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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.