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Finding the Fourth Proportional to 173,166.60, 259,847.10 and 73,309.80

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Solution

The fourth proportional to 173,166.60, 259,847.10 and 73,309.80 is: 110,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.60 : 259,847.10 = 73,309.80 : x
  2. Step 2: Convert to fraction form
    173,166.60/259,847.10 = 73,309.80/x
  3. Step 3: Cross multiply
    173,166.60x = 259,847.10 × 73,309.80
  4. Step 4: Simplify right side
    173,166.60x = 19,049,338,931.58
  5. Step 5: Solve for x
    x = 19,049,338,931.58/173,166.60
  6. Step 6: Final answer
    x = 110,005.85

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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.