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Finding the Fourth Proportional to 178,955.41, 268,419.15 and 104,027.76

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Solution

The fourth proportional to 178,955.41, 268,419.15 and 104,027.76 is: 156,033.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,955.41 : 268,419.15 = 104,027.76 : x
  2. Step 2: Convert to fraction form
    178,955.41/268,419.15 = 104,027.76/x
  3. Step 3: Cross multiply
    178,955.41x = 268,419.15 × 104,027.76
  4. Step 4: Simplify right side
    178,955.41x = 27,923,042,915.60
  5. Step 5: Solve for x
    x = 27,923,042,915.60/178,955.41
  6. Step 6: Final answer
    x = 156,033.52

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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.