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Finding the Fourth Proportional to 168,103.56, 252,154.62 and 49,775.40

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Solution

The fourth proportional to 168,103.56, 252,154.62 and 49,775.40 is: 74,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,103.56 : 252,154.62 = 49,775.40 : x
  2. Step 2: Convert to fraction form
    168,103.56/252,154.62 = 49,775.40/x
  3. Step 3: Cross multiply
    168,103.56x = 252,154.62 × 49,775.40
  4. Step 4: Simplify right side
    168,103.56x = 12,551,097,072.35
  5. Step 5: Solve for x
    x = 12,551,097,072.35/168,103.56
  6. Step 6: Final answer
    x = 74,662.89

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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.