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Finding the Fourth Proportional to 239,457.86, 359,173.83 and 73,245.86

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Solution

The fourth proportional to 239,457.86, 359,173.83 and 73,245.86 is: 109,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,457.86 : 359,173.83 = 73,245.86 : x
  2. Step 2: Convert to fraction form
    239,457.86/359,173.83 = 73,245.86/x
  3. Step 3: Cross multiply
    239,457.86x = 359,173.83 × 73,245.86
  4. Step 4: Simplify right side
    239,457.86x = 26,307,996,067.84
  5. Step 5: Solve for x
    x = 26,307,996,067.84/239,457.86
  6. Step 6: Final answer
    x = 109,864.83

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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.