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Finding the Fourth Proportional to 179,673.80, 268,992.30 and 161,011.40

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Solution

The fourth proportional to 179,673.80, 268,992.30 and 161,011.40 is: 241,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,673.80 : 268,992.30 = 161,011.40 : x
  2. Step 2: Convert to fraction form
    179,673.80/268,992.30 = 161,011.40/x
  3. Step 3: Cross multiply
    179,673.80x = 268,992.30 × 161,011.40
  4. Step 4: Simplify right side
    179,673.80x = 43,310,826,812.22
  5. Step 5: Solve for x
    x = 43,310,826,812.22/179,673.80
  6. Step 6: Final answer
    x = 241,052.55

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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.