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Finding the Fourth Proportional to 168,201.32, 252,347.33 and 55,899.68

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Solution

The fourth proportional to 168,201.32, 252,347.33 and 55,899.68 is: 83,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,201.32 : 252,347.33 = 55,899.68 : x
  2. Step 2: Convert to fraction form
    168,201.32/252,347.33 = 55,899.68/x
  3. Step 3: Cross multiply
    168,201.32x = 252,347.33 × 55,899.68
  4. Step 4: Simplify right side
    168,201.32x = 14,106,133,873.87
  5. Step 5: Solve for x
    x = 14,106,133,873.87/168,201.32
  6. Step 6: Final answer
    x = 83,864.59

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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.