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Finding the Fourth Proportional to 168,788.81, 253,185.65 and 44,129.81

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Solution

The fourth proportional to 168,788.81, 253,185.65 and 44,129.81 is: 66,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,788.81 : 253,185.65 = 44,129.81 : x
  2. Step 2: Convert to fraction form
    168,788.81/253,185.65 = 44,129.81/x
  3. Step 3: Cross multiply
    168,788.81x = 253,185.65 × 44,129.81
  4. Step 4: Simplify right side
    168,788.81x = 11,173,035,207.03
  5. Step 5: Solve for x
    x = 11,173,035,207.03/168,788.81
  6. Step 6: Final answer
    x = 66,195.35

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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.