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Finding the Fourth Proportional to 272,588.46, 408,766.05 and 95,042.94

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Solution

The fourth proportional to 272,588.46, 408,766.05 and 95,042.94 is: 142,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,588.46 : 408,766.05 = 95,042.94 : x
  2. Step 2: Convert to fraction form
    272,588.46/408,766.05 = 95,042.94/x
  3. Step 3: Cross multiply
    272,588.46x = 408,766.05 × 95,042.94
  4. Step 4: Simplify right side
    272,588.46x = 38,850,327,164.19
  5. Step 5: Solve for x
    x = 38,850,327,164.19/272,588.46
  6. Step 6: Final answer
    x = 142,523.74

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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.