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Finding the Fourth Proportional to 307,158.00, 460,944.50 and 107,480.12

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Solution

The fourth proportional to 307,158.00, 460,944.50 and 107,480.12 is: 161,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,158.00 : 460,944.50 = 107,480.12 : x
  2. Step 2: Convert to fraction form
    307,158.00/460,944.50 = 107,480.12/x
  3. Step 3: Cross multiply
    307,158.00x = 460,944.50 × 107,480.12
  4. Step 4: Simplify right side
    307,158.00x = 49,542,367,633.50
  5. Step 5: Solve for x
    x = 49,542,367,633.50/307,158.00
  6. Step 6: Final answer
    x = 161,292.78

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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.