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Finding the Fourth Proportional to 168,149.80, 252,223.62 and 49,821.76

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Solution

The fourth proportional to 168,149.80, 252,223.62 and 49,821.76 is: 74,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,149.80 : 252,223.62 = 49,821.76 : x
  2. Step 2: Convert to fraction form
    168,149.80/252,223.62 = 49,821.76/x
  3. Step 3: Cross multiply
    168,149.80x = 252,223.62 × 49,821.76
  4. Step 4: Simplify right side
    168,149.80x = 12,566,224,661.97
  5. Step 5: Solve for x
    x = 12,566,224,661.97/168,149.80
  6. Step 6: Final answer
    x = 74,732.32

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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.