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Finding the Fourth Proportional to 168,237.68, 252,722.84 and 101,709.16

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Solution

The fourth proportional to 168,237.68, 252,722.84 and 101,709.16 is: 152,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,237.68 : 252,722.84 = 101,709.16 : x
  2. Step 2: Convert to fraction form
    168,237.68/252,722.84 = 101,709.16/x
  3. Step 3: Cross multiply
    168,237.68x = 252,722.84 × 101,709.16
  4. Step 4: Simplify right side
    168,237.68x = 25,704,227,769.21
  5. Step 5: Solve for x
    x = 25,704,227,769.21/168,237.68
  6. Step 6: Final answer
    x = 152,785.20

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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.