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Finding the Fourth Proportional to 168,320.20, 252,674.70 and 101,835.40

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Solution

The fourth proportional to 168,320.20, 252,674.70 and 101,835.40 is: 152,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,320.20 : 252,674.70 = 101,835.40 : x
  2. Step 2: Convert to fraction form
    168,320.20/252,674.70 = 101,835.40/x
  3. Step 3: Cross multiply
    168,320.20x = 252,674.70 × 101,835.40
  4. Step 4: Simplify right side
    168,320.20x = 25,731,229,144.38
  5. Step 5: Solve for x
    x = 25,731,229,144.38/168,320.20
  6. Step 6: Final answer
    x = 152,870.71

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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.