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Finding the Fourth Proportional to 441,081.96, 661,677.61 and 125,563.47

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Solution

The fourth proportional to 441,081.96, 661,677.61 and 125,563.47 is: 188,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,081.96 : 661,677.61 = 125,563.47 : x
  2. Step 2: Convert to fraction form
    441,081.96/661,677.61 = 125,563.47/x
  3. Step 3: Cross multiply
    441,081.96x = 661,677.61 × 125,563.47
  4. Step 4: Simplify right side
    441,081.96x = 83,082,536,732.91
  5. Step 5: Solve for x
    x = 83,082,536,732.91/441,081.96
  6. Step 6: Final answer
    x = 188,360.77

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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.