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Finding the Fourth Proportional to 168,058.06, 252,126.31 and 55,730.06

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Solution

The fourth proportional to 168,058.06, 252,126.31 and 55,730.06 is: 83,608.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,058.06 : 252,126.31 = 55,730.06 : x
  2. Step 2: Convert to fraction form
    168,058.06/252,126.31 = 55,730.06/x
  3. Step 3: Cross multiply
    168,058.06x = 252,126.31 × 55,730.06
  4. Step 4: Simplify right side
    168,058.06x = 14,051,012,844.60
  5. Step 5: Solve for x
    x = 14,051,012,844.60/168,058.06
  6. Step 6: Final answer
    x = 83,608.09

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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.