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Finding the Fourth Proportional to 168,719.51, 252,558.03 and 92,627.71

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Solution

The fourth proportional to 168,719.51, 252,558.03 and 92,627.71 is: 138,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,719.51 : 252,558.03 = 92,627.71 : x
  2. Step 2: Convert to fraction form
    168,719.51/252,558.03 = 92,627.71/x
  3. Step 3: Cross multiply
    168,719.51x = 252,558.03 × 92,627.71
  4. Step 4: Simplify right side
    168,719.51x = 23,393,870,235.08
  5. Step 5: Solve for x
    x = 23,393,870,235.08/168,719.51
  6. Step 6: Final answer
    x = 138,655.39

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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.