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Finding the Fourth Proportional to 168,585.75, 252,878.63 and 43,926.75

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Solution

The fourth proportional to 168,585.75, 252,878.63 and 43,926.75 is: 65,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,585.75 : 252,878.63 = 43,926.75 : x
  2. Step 2: Convert to fraction form
    168,585.75/252,878.63 = 43,926.75/x
  3. Step 3: Cross multiply
    168,585.75x = 252,878.63 × 43,926.75
  4. Step 4: Simplify right side
    168,585.75x = 11,108,136,140.72
  5. Step 5: Solve for x
    x = 11,108,136,140.72/168,585.75
  6. Step 6: Final answer
    x = 65,890.13

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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.