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Finding the Fourth Proportional to 168,123.10, 252,322.35 and 166,810.90

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Solution

The fourth proportional to 168,123.10, 252,322.35 and 166,810.90 is: 250,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,123.10 : 252,322.35 = 166,810.90 : x
  2. Step 2: Convert to fraction form
    168,123.10/252,322.35 = 166,810.90/x
  3. Step 3: Cross multiply
    168,123.10x = 252,322.35 × 166,810.90
  4. Step 4: Simplify right side
    168,123.10x = 42,090,118,293.62
  5. Step 5: Solve for x
    x = 42,090,118,293.62/168,123.10
  6. Step 6: Final answer
    x = 250,352.98

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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.