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Finding the Fourth Proportional to 232,990.86, 321,342.44 and 151,229.72

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Solution

The fourth proportional to 232,990.86, 321,342.44 and 151,229.72 is: 208,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,990.86 : 321,342.44 = 151,229.72 : x
  2. Step 2: Convert to fraction form
    232,990.86/321,342.44 = 151,229.72/x
  3. Step 3: Cross multiply
    232,990.86x = 321,342.44 × 151,229.72
  4. Step 4: Simplify right side
    232,990.86x = 48,596,527,225.32
  5. Step 5: Solve for x
    x = 48,596,527,225.32/232,990.86
  6. Step 6: Final answer
    x = 208,576.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.