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Finding the Fourth Proportional to 168,473.72, 252,585.74 and 79,623.43

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Solution

The fourth proportional to 168,473.72, 252,585.74 and 79,623.43 is: 119,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,473.72 : 252,585.74 = 79,623.43 : x
  2. Step 2: Convert to fraction form
    168,473.72/252,585.74 = 79,623.43/x
  3. Step 3: Cross multiply
    168,473.72x = 252,585.74 × 79,623.43
  4. Step 4: Simplify right side
    168,473.72x = 20,111,743,265.88
  5. Step 5: Solve for x
    x = 20,111,743,265.88/168,473.72
  6. Step 6: Final answer
    x = 119,376.14

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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.