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Finding the Fourth Proportional to 168,521.96, 252,797.66 and 43,863.08

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Solution

The fourth proportional to 168,521.96, 252,797.66 and 43,863.08 is: 65,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,521.96 : 252,797.66 = 43,863.08 : x
  2. Step 2: Convert to fraction form
    168,521.96/252,797.66 = 43,863.08/x
  3. Step 3: Cross multiply
    168,521.96x = 252,797.66 × 43,863.08
  4. Step 4: Simplify right side
    168,521.96x = 11,088,483,984.39
  5. Step 5: Solve for x
    x = 11,088,483,984.39/168,521.96
  6. Step 6: Final answer
    x = 65,798.45

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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.