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Finding the Fourth Proportional to 178,998.67, 268,483.86 and 104,071

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Solution

The fourth proportional to 178,998.67, 268,483.86 and 104,071 is: 156,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,998.67 : 268,483.86 = 104,071 : x
  2. Step 2: Convert to fraction form
    178,998.67/268,483.86 = 104,071/x
  3. Step 3: Cross multiply
    178,998.67x = 268,483.86 × 104,071
  4. Step 4: Simplify right side
    178,998.67x = 27,941,383,794.06
  5. Step 5: Solve for x
    x = 27,941,383,794.06/178,998.67
  6. Step 6: Final answer
    x = 156,098.28

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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.