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Finding the Fourth Proportional to 173,900.40, 260,826.30 and 55,583.70

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Solution

The fourth proportional to 173,900.40, 260,826.30 and 55,583.70 is: 83,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,900.40 : 260,826.30 = 55,583.70 : x
  2. Step 2: Convert to fraction form
    173,900.40/260,826.30 = 55,583.70/x
  3. Step 3: Cross multiply
    173,900.40x = 260,826.30 × 55,583.70
  4. Step 4: Simplify right side
    173,900.40x = 14,497,690,811.31
  5. Step 5: Solve for x
    x = 14,497,690,811.31/173,900.40
  6. Step 6: Final answer
    x = 83,367.78

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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.