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Finding the Fourth Proportional to 360,869.87, 541,299.12 and 124,214.60

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Solution

The fourth proportional to 360,869.87, 541,299.12 and 124,214.60 is: 186,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,869.87 : 541,299.12 = 124,214.60 : x
  2. Step 2: Convert to fraction form
    360,869.87/541,299.12 = 124,214.60/x
  3. Step 3: Cross multiply
    360,869.87x = 541,299.12 × 124,214.60
  4. Step 4: Simplify right side
    360,869.87x = 67,237,250,964.66
  5. Step 5: Solve for x
    x = 67,237,250,964.66/360,869.87
  6. Step 6: Final answer
    x = 186,319.94

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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.