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Finding the Fourth Proportional to 274,154.73, 411,237.73 and 84,615.22

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Solution

The fourth proportional to 274,154.73, 411,237.73 and 84,615.22 is: 126,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,154.73 : 411,237.73 = 84,615.22 : x
  2. Step 2: Convert to fraction form
    274,154.73/411,237.73 = 84,615.22/x
  3. Step 3: Cross multiply
    274,154.73x = 411,237.73 × 84,615.22
  4. Step 4: Simplify right side
    274,154.73x = 34,796,968,826.89
  5. Step 5: Solve for x
    x = 34,796,968,826.89/274,154.73
  6. Step 6: Final answer
    x = 126,924.56

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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.