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Finding the Fourth Proportional to 179,624.80, 269,145.60 and 112,945.60

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Solution

The fourth proportional to 179,624.80, 269,145.60 and 112,945.60 is: 169,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,624.80 : 269,145.60 = 112,945.60 : x
  2. Step 2: Convert to fraction form
    179,624.80/269,145.60 = 112,945.60/x
  3. Step 3: Cross multiply
    179,624.80x = 269,145.60 × 112,945.60
  4. Step 4: Simplify right side
    179,624.80x = 30,398,811,279.36
  5. Step 5: Solve for x
    x = 30,398,811,279.36/179,624.80
  6. Step 6: Final answer
    x = 169,235.05

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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.