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Finding the Fourth Proportional to 119,179.76, 178,769.62 and 44,318.74

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Solution

The fourth proportional to 119,179.76, 178,769.62 and 44,318.74 is: 66,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,179.76 : 178,769.62 = 44,318.74 : x
  2. Step 2: Convert to fraction form
    119,179.76/178,769.62 = 44,318.74/x
  3. Step 3: Cross multiply
    119,179.76x = 178,769.62 × 44,318.74
  4. Step 4: Simplify right side
    119,179.76x = 7,922,844,308.68
  5. Step 5: Solve for x
    x = 7,922,844,308.68/119,179.76
  6. Step 6: Final answer
    x = 66,478.10

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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.