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Finding the Fourth Proportional to 229,016.60, 343,427.70 and 110,724.20

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Solution

The fourth proportional to 229,016.60, 343,427.70 and 110,724.20 is: 166,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,016.60 : 343,427.70 = 110,724.20 : x
  2. Step 2: Convert to fraction form
    229,016.60/343,427.70 = 110,724.20/x
  3. Step 3: Cross multiply
    229,016.60x = 343,427.70 × 110,724.20
  4. Step 4: Simplify right side
    229,016.60x = 38,025,757,340.34
  5. Step 5: Solve for x
    x = 38,025,757,340.34/229,016.60
  6. Step 6: Final answer
    x = 166,039.31

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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.