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Finding the Fourth Proportional to 168,000.98, 252,050.69 and 49,675.40

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Solution

The fourth proportional to 168,000.98, 252,050.69 and 49,675.40 is: 74,527.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.98 : 252,050.69 = 49,675.40 : x
  2. Step 2: Convert to fraction form
    168,000.98/252,050.69 = 49,675.40/x
  3. Step 3: Cross multiply
    168,000.98x = 252,050.69 × 49,675.40
  4. Step 4: Simplify right side
    168,000.98x = 12,520,718,846.03
  5. Step 5: Solve for x
    x = 12,520,718,846.03/168,000.98
  6. Step 6: Final answer
    x = 74,527.65

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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.