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Finding the Fourth Proportional to 168,269.13, 252,349.05 and 55,919.16

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Solution

The fourth proportional to 168,269.13, 252,349.05 and 55,919.16 is: 83,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,269.13 : 252,349.05 = 55,919.16 : x
  2. Step 2: Convert to fraction form
    168,269.13/252,349.05 = 55,919.16/x
  3. Step 3: Cross multiply
    168,269.13x = 252,349.05 × 55,919.16
  4. Step 4: Simplify right side
    168,269.13x = 14,111,146,902.80
  5. Step 5: Solve for x
    x = 14,111,146,902.80/168,269.13
  6. Step 6: Final answer
    x = 83,860.58

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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.