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Finding the Fourth Proportional to 173,109.60, 259,761.60 and 73,252.80

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Solution

The fourth proportional to 173,109.60, 259,761.60 and 73,252.80 is: 109,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,109.60 : 259,761.60 = 73,252.80 : x
  2. Step 2: Convert to fraction form
    173,109.60/259,761.60 = 73,252.80/x
  3. Step 3: Cross multiply
    173,109.60x = 259,761.60 × 73,252.80
  4. Step 4: Simplify right side
    173,109.60x = 19,028,264,532.48
  5. Step 5: Solve for x
    x = 19,028,264,532.48/173,109.60
  6. Step 6: Final answer
    x = 109,920.33

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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.