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Finding the Fourth Proportional to 272,232.60, 408,057.30 and 122,447.40

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Solution

The fourth proportional to 272,232.60, 408,057.30 and 122,447.40 is: 183,539.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,232.60 : 408,057.30 = 122,447.40 : x
  2. Step 2: Convert to fraction form
    272,232.60/408,057.30 = 122,447.40/x
  3. Step 3: Cross multiply
    272,232.60x = 408,057.30 × 122,447.40
  4. Step 4: Simplify right side
    272,232.60x = 49,965,555,436.02
  5. Step 5: Solve for x
    x = 49,965,555,436.02/272,232.60
  6. Step 6: Final answer
    x = 183,539.94

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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.