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Finding the Fourth Proportional to 168,021.70, 252,056.55 and 49,677.70

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Solution

The fourth proportional to 168,021.70, 252,056.55 and 49,677.70 is: 74,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,021.70 : 252,056.55 = 49,677.70 : x
  2. Step 2: Convert to fraction form
    168,021.70/252,056.55 = 49,677.70/x
  3. Step 3: Cross multiply
    168,021.70x = 252,056.55 × 49,677.70
  4. Step 4: Simplify right side
    168,021.70x = 12,521,589,673.94
  5. Step 5: Solve for x
    x = 12,521,589,673.94/168,021.70
  6. Step 6: Final answer
    x = 74,523.65

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1.5x scale

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.