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Finding the Fourth Proportional to 274,466.99, 411,537.81 and 84,871.24

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Solution

The fourth proportional to 274,466.99, 411,537.81 and 84,871.24 is: 127,256.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,466.99 : 411,537.81 = 84,871.24 : x
  2. Step 2: Convert to fraction form
    274,466.99/411,537.81 = 84,871.24/x
  3. Step 3: Cross multiply
    274,466.99x = 411,537.81 × 84,871.24
  4. Step 4: Simplify right side
    274,466.99x = 34,927,724,241.58
  5. Step 5: Solve for x
    x = 34,927,724,241.58/274,466.99
  6. Step 6: Final answer
    x = 127,256.56

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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.