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Finding the Fourth Proportional to 227,664.40, 341,496.60 and 79,901.20

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Solution

The fourth proportional to 227,664.40, 341,496.60 and 79,901.20 is: 119,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,664.40 : 341,496.60 = 79,901.20 : x
  2. Step 2: Convert to fraction form
    227,664.40/341,496.60 = 79,901.20/x
  3. Step 3: Cross multiply
    227,664.40x = 341,496.60 × 79,901.20
  4. Step 4: Simplify right side
    227,664.40x = 27,285,988,135.92
  5. Step 5: Solve for x
    x = 27,285,988,135.92/227,664.40
  6. Step 6: Final answer
    x = 119,851.80

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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.