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Finding the Fourth Proportional to 273,032.25, 409,520.70 and 73,326.69

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Solution

The fourth proportional to 273,032.25, 409,520.70 and 73,326.69 is: 109,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,032.25 : 409,520.70 = 73,326.69 : x
  2. Step 2: Convert to fraction form
    273,032.25/409,520.70 = 73,326.69/x
  3. Step 3: Cross multiply
    273,032.25x = 409,520.70 × 73,326.69
  4. Step 4: Simplify right side
    273,032.25x = 30,028,797,417.48
  5. Step 5: Solve for x
    x = 30,028,797,417.48/273,032.25
  6. Step 6: Final answer
    x = 109,982.60

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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.