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Finding the Fourth Proportional to 231,339.60, 346,924.40 and 79,493.62

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Solution

The fourth proportional to 231,339.60, 346,924.40 and 79,493.62 is: 119,211.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,339.60 : 346,924.40 = 79,493.62 : x
  2. Step 2: Convert to fraction form
    231,339.60/346,924.40 = 79,493.62/x
  3. Step 3: Cross multiply
    231,339.60x = 346,924.40 × 79,493.62
  4. Step 4: Simplify right side
    231,339.60x = 27,578,276,422.33
  5. Step 5: Solve for x
    x = 27,578,276,422.33/231,339.60
  6. Step 6: Final answer
    x = 119,211.22

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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.