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Finding the Fourth Proportional to 168,602.40, 252,867.15 and 73,832.40

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Solution

The fourth proportional to 168,602.40, 252,867.15 and 73,832.40 is: 110,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,602.40 : 252,867.15 = 73,832.40 : x
  2. Step 2: Convert to fraction form
    168,602.40/252,867.15 = 73,832.40/x
  3. Step 3: Cross multiply
    168,602.40x = 252,867.15 × 73,832.40
  4. Step 4: Simplify right side
    168,602.40x = 18,669,788,565.66
  5. Step 5: Solve for x
    x = 18,669,788,565.66/168,602.40
  6. Step 6: Final answer
    x = 110,732.64

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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.