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Finding the Fourth Proportional to 246,099.47, 369,234.86 and 77,645.79

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Solution

The fourth proportional to 246,099.47, 369,234.86 and 77,645.79 is: 116,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,099.47 : 369,234.86 = 77,645.79 : x
  2. Step 2: Convert to fraction form
    246,099.47/369,234.86 = 77,645.79/x
  3. Step 3: Cross multiply
    246,099.47x = 369,234.86 × 77,645.79
  4. Step 4: Simplify right side
    246,099.47x = 28,669,532,012.01
  5. Step 5: Solve for x
    x = 28,669,532,012.01/246,099.47
  6. Step 6: Final answer
    x = 116,495.71

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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.