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Finding the Fourth Proportional to 272,523.96, 408,669.30 and 94,978.44

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Solution

The fourth proportional to 272,523.96, 408,669.30 and 94,978.44 is: 142,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,523.96 : 408,669.30 = 94,978.44 : x
  2. Step 2: Convert to fraction form
    272,523.96/408,669.30 = 94,978.44/x
  3. Step 3: Cross multiply
    272,523.96x = 408,669.30 × 94,978.44
  4. Step 4: Simplify right side
    272,523.96x = 38,814,772,589.89
  5. Step 5: Solve for x
    x = 38,814,772,589.89/272,523.96
  6. Step 6: Final answer
    x = 142,427.01

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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.