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Finding the Fourth Proportional to 168,048.56, 252,072.12 and 49,720.64

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Solution

The fourth proportional to 168,048.56, 252,072.12 and 49,720.64 is: 74,580.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048.56 : 252,072.12 = 49,720.64 : x
  2. Step 2: Convert to fraction form
    168,048.56/252,072.12 = 49,720.64/x
  3. Step 3: Cross multiply
    168,048.56x = 252,072.12 × 49,720.64
  4. Step 4: Simplify right side
    168,048.56x = 12,533,187,132.56
  5. Step 5: Solve for x
    x = 12,533,187,132.56/168,048.56
  6. Step 6: Final answer
    x = 74,580.75

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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.