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Finding the Fourth Proportional to 84,230.66, 126,236.40 and 34,252.48

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Solution

The fourth proportional to 84,230.66, 126,236.40 and 34,252.48 is: 51,334.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230.66 : 126,236.40 = 34,252.48 : x
  2. Step 2: Convert to fraction form
    84,230.66/126,236.40 = 34,252.48/x
  3. Step 3: Cross multiply
    84,230.66x = 126,236.40 × 34,252.48
  4. Step 4: Simplify right side
    84,230.66x = 4,323,909,766.27
  5. Step 5: Solve for x
    x = 4,323,909,766.27/84,230.66
  6. Step 6: Final answer
    x = 51,334.16

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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.