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Finding the Fourth Proportional to 168,187.35, 252,317.88 and 49,851.48

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Solution

The fourth proportional to 168,187.35, 252,317.88 and 49,851.48 is: 74,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,187.35 : 252,317.88 = 49,851.48 : x
  2. Step 2: Convert to fraction form
    168,187.35/252,317.88 = 49,851.48/x
  3. Step 3: Cross multiply
    168,187.35x = 252,317.88 × 49,851.48
  4. Step 4: Simplify right side
    168,187.35x = 12,578,419,748.46
  5. Step 5: Solve for x
    x = 12,578,419,748.46/168,187.35
  6. Step 6: Final answer
    x = 74,788.14

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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.