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Finding the Fourth Proportional to 168,369.76, 252,500.19 and 56,019.82

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Solution

The fourth proportional to 168,369.76, 252,500.19 and 56,019.82 is: 84,011.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,369.76 : 252,500.19 = 56,019.82 : x
  2. Step 2: Convert to fraction form
    168,369.76/252,500.19 = 56,019.82/x
  3. Step 3: Cross multiply
    168,369.76x = 252,500.19 × 56,019.82
  4. Step 4: Simplify right side
    168,369.76x = 14,145,015,193.77
  5. Step 5: Solve for x
    x = 14,145,015,193.77/168,369.76
  6. Step 6: Final answer
    x = 84,011.61

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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.