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Finding the Fourth Proportional to 173,295.20, 259,748.40 and 89,022.80

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Solution

The fourth proportional to 173,295.20, 259,748.40 and 89,022.80 is: 133,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,295.20 : 259,748.40 = 89,022.80 : x
  2. Step 2: Convert to fraction form
    173,295.20/259,748.40 = 89,022.80/x
  3. Step 3: Cross multiply
    173,295.20x = 259,748.40 × 89,022.80
  4. Step 4: Simplify right side
    173,295.20x = 23,123,529,863.52
  5. Step 5: Solve for x
    x = 23,123,529,863.52/173,295.20
  6. Step 6: Final answer
    x = 133,434.34

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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.