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Finding the Fourth Proportional to 360,871.87, 541,302.12 and 124,216.60

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Solution

The fourth proportional to 360,871.87, 541,302.12 and 124,216.60 is: 186,322.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,871.87 : 541,302.12 = 124,216.60 : x
  2. Step 2: Convert to fraction form
    360,871.87/541,302.12 = 124,216.60/x
  3. Step 3: Cross multiply
    360,871.87x = 541,302.12 × 124,216.60
  4. Step 4: Simplify right side
    360,871.87x = 67,238,708,919.19
  5. Step 5: Solve for x
    x = 67,238,708,919.19/360,871.87
  6. Step 6: Final answer
    x = 186,322.94

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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.