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Finding the Fourth Proportional to 168,580.59, 252,995.31 and 79,833.93

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Solution

The fourth proportional to 168,580.59, 252,995.31 and 79,833.93 is: 119,809.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,580.59 : 252,995.31 = 79,833.93 : x
  2. Step 2: Convert to fraction form
    168,580.59/252,995.31 = 79,833.93/x
  3. Step 3: Cross multiply
    168,580.59x = 252,995.31 × 79,833.93
  4. Step 4: Simplify right side
    168,580.59x = 20,197,609,868.87
  5. Step 5: Solve for x
    x = 20,197,609,868.87/168,580.59
  6. Step 6: Final answer
    x = 119,809.82

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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.