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Finding the Fourth Proportional to 360,769.68, 541,138.32 and 124,113.60

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Solution

The fourth proportional to 360,769.68, 541,138.32 and 124,113.60 is: 186,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,769.68 : 541,138.32 = 124,113.60 : x
  2. Step 2: Convert to fraction form
    360,769.68/541,138.32 = 124,113.60/x
  3. Step 3: Cross multiply
    360,769.68x = 541,138.32 × 124,113.60
  4. Step 4: Simplify right side
    360,769.68x = 67,162,624,993.15
  5. Step 5: Solve for x
    x = 67,162,624,993.15/360,769.68
  6. Step 6: Final answer
    x = 186,164.83

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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.