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Finding the Fourth Proportional to 230,920.80, 346,737.60 and 125,944.80

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Solution

The fourth proportional to 230,920.80, 346,737.60 and 125,944.80 is: 189,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,920.80 : 346,737.60 = 125,944.80 : x
  2. Step 2: Convert to fraction form
    230,920.80/346,737.60 = 125,944.80/x
  3. Step 3: Cross multiply
    230,920.80x = 346,737.60 × 125,944.80
  4. Step 4: Simplify right side
    230,920.80x = 43,669,797,684.48
  5. Step 5: Solve for x
    x = 43,669,797,684.48/230,920.80
  6. Step 6: Final answer
    x = 189,111.58

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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.