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Finding the Fourth Proportional to 181,576.92, 272,409.15 and 56,917.92

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Solution

The fourth proportional to 181,576.92, 272,409.15 and 56,917.92 is: 85,390.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,576.92 : 272,409.15 = 56,917.92 : x
  2. Step 2: Convert to fraction form
    181,576.92/272,409.15 = 56,917.92/x
  3. Step 3: Cross multiply
    181,576.92x = 272,409.15 × 56,917.92
  4. Step 4: Simplify right side
    181,576.92x = 15,504,962,206.97
  5. Step 5: Solve for x
    x = 15,504,962,206.97/181,576.92
  6. Step 6: Final answer
    x = 85,390.60

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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.