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Finding the Fourth Proportional to 175,908.66, 263,811.23 and 79,790.27

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Solution

The fourth proportional to 175,908.66, 263,811.23 and 79,790.27 is: 119,661.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,908.66 : 263,811.23 = 79,790.27 : x
  2. Step 2: Convert to fraction form
    175,908.66/263,811.23 = 79,790.27/x
  3. Step 3: Cross multiply
    175,908.66x = 263,811.23 × 79,790.27
  4. Step 4: Simplify right side
    175,908.66x = 21,049,567,552.72
  5. Step 5: Solve for x
    x = 21,049,567,552.72/175,908.66
  6. Step 6: Final answer
    x = 119,661.92

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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.