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Finding the Fourth Proportional to 168,365.80, 252,546.54 and 48,425.68

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Solution

The fourth proportional to 168,365.80, 252,546.54 and 48,425.68 is: 72,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,365.80 : 252,546.54 = 48,425.68 : x
  2. Step 2: Convert to fraction form
    168,365.80/252,546.54 = 48,425.68/x
  3. Step 3: Cross multiply
    168,365.80x = 252,546.54 × 48,425.68
  4. Step 4: Simplify right side
    168,365.80x = 12,229,737,931.15
  5. Step 5: Solve for x
    x = 12,229,737,931.15/168,365.80
  6. Step 6: Final answer
    x = 72,637.90

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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.