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Finding the Fourth Proportional to 173,310.40, 259,990.36 and 53,377.52

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Solution

The fourth proportional to 173,310.40, 259,990.36 and 53,377.52 is: 80,073.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,310.40 : 259,990.36 = 53,377.52 : x
  2. Step 2: Convert to fraction form
    173,310.40/259,990.36 = 53,377.52/x
  3. Step 3: Cross multiply
    173,310.40x = 259,990.36 × 53,377.52
  4. Step 4: Simplify right side
    173,310.40x = 13,877,640,640.71
  5. Step 5: Solve for x
    x = 13,877,640,640.71/173,310.40
  6. Step 6: Final answer
    x = 80,073.91

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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.