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Finding the Fourth Proportional to 179,246.40, 268,869.60 and 154,314.60

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Solution

The fourth proportional to 179,246.40, 268,869.60 and 154,314.60 is: 231,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,246.40 : 268,869.60 = 154,314.60 : x
  2. Step 2: Convert to fraction form
    179,246.40/268,869.60 = 154,314.60/x
  3. Step 3: Cross multiply
    179,246.40x = 268,869.60 × 154,314.60
  4. Step 4: Simplify right side
    179,246.40x = 41,490,504,776.16
  5. Step 5: Solve for x
    x = 41,490,504,776.16/179,246.40
  6. Step 6: Final answer
    x = 231,471.90

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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.