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Finding the Fourth Proportional to 360,709.27, 541,137.71 and 124,021.19

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Solution

The fourth proportional to 360,709.27, 541,137.71 and 124,021.19 is: 186,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,709.27 : 541,137.71 = 124,021.19 : x
  2. Step 2: Convert to fraction form
    360,709.27/541,137.71 = 124,021.19/x
  3. Step 3: Cross multiply
    360,709.27x = 541,137.71 × 124,021.19
  4. Step 4: Simplify right side
    360,709.27x = 67,112,544,410.97
  5. Step 5: Solve for x
    x = 67,112,544,410.97/360,709.27
  6. Step 6: Final answer
    x = 186,057.17

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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.