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Finding the Fourth Proportional to 360,920.22, 541,039.86 and 124,097.28

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Solution

The fourth proportional to 360,920.22, 541,039.86 and 124,097.28 is: 186,028.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,920.22 : 541,039.86 = 124,097.28 : x
  2. Step 2: Convert to fraction form
    360,920.22/541,039.86 = 124,097.28/x
  3. Step 3: Cross multiply
    360,920.22x = 541,039.86 × 124,097.28
  4. Step 4: Simplify right side
    360,920.22x = 67,141,574,997.58
  5. Step 5: Solve for x
    x = 67,141,574,997.58/360,920.22
  6. Step 6: Final answer
    x = 186,028.85

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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.