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Finding the Fourth Proportional to 272,305.86, 408,460.82 and 94,812.60

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Solution

The fourth proportional to 272,305.86, 408,460.82 and 94,812.60 is: 142,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,305.86 : 408,460.82 = 94,812.60 : x
  2. Step 2: Convert to fraction form
    272,305.86/408,460.82 = 94,812.60/x
  3. Step 3: Cross multiply
    272,305.86x = 408,460.82 × 94,812.60
  4. Step 4: Simplify right side
    272,305.86x = 38,727,232,342.33
  5. Step 5: Solve for x
    x = 38,727,232,342.33/272,305.86
  6. Step 6: Final answer
    x = 142,219.61

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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.