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Finding the Fourth Proportional to 119,230.56, 178,776.72 and 49,030.56

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Solution

The fourth proportional to 119,230.56, 178,776.72 and 49,030.56 is: 73,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,230.56 : 178,776.72 = 49,030.56 : x
  2. Step 2: Convert to fraction form
    119,230.56/178,776.72 = 49,030.56/x
  3. Step 3: Cross multiply
    119,230.56x = 178,776.72 × 49,030.56
  4. Step 4: Simplify right side
    119,230.56x = 8,765,522,696.56
  5. Step 5: Solve for x
    x = 8,765,522,696.56/119,230.56
  6. Step 6: Final answer
    x = 73,517.42

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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.