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Finding the Fourth Proportional to 307,310.83, 460,859.64 and 107,626.81

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Solution

The fourth proportional to 307,310.83, 460,859.64 and 107,626.81 is: 161,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,310.83 : 460,859.64 = 107,626.81 : x
  2. Step 2: Convert to fraction form
    307,310.83/460,859.64 = 107,626.81/x
  3. Step 3: Cross multiply
    307,310.83x = 460,859.64 × 107,626.81
  4. Step 4: Simplify right side
    307,310.83x = 49,600,852,910.95
  5. Step 5: Solve for x
    x = 49,600,852,910.95/307,310.83
  6. Step 6: Final answer
    x = 161,402.88

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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.