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Finding the Fourth Proportional to 173,096.60, 259,742.10 and 73,239.80

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Solution

The fourth proportional to 173,096.60, 259,742.10 and 73,239.80 is: 109,900.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,096.60 : 259,742.10 = 73,239.80 : x
  2. Step 2: Convert to fraction form
    173,096.60/259,742.10 = 73,239.80/x
  3. Step 3: Cross multiply
    173,096.60x = 259,742.10 × 73,239.80
  4. Step 4: Simplify right side
    173,096.60x = 19,023,459,455.58
  5. Step 5: Solve for x
    x = 19,023,459,455.58/173,096.60
  6. Step 6: Final answer
    x = 109,900.83

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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.