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Finding the Fourth Proportional to 168,475.83, 252,490.19 and 89,419.83

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Solution

The fourth proportional to 168,475.83, 252,490.19 and 89,419.83 is: 134,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,475.83 : 252,490.19 = 89,419.83 : x
  2. Step 2: Convert to fraction form
    168,475.83/252,490.19 = 89,419.83/x
  3. Step 3: Cross multiply
    168,475.83x = 252,490.19 × 89,419.83
  4. Step 4: Simplify right side
    168,475.83x = 22,577,629,419.37
  5. Step 5: Solve for x
    x = 22,577,629,419.37/168,475.83
  6. Step 6: Final answer
    x = 134,011.09

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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.