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Finding the Fourth Proportional to 245,610.52, 368,428.74 and 79,411.48

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Solution

The fourth proportional to 245,610.52, 368,428.74 and 79,411.48 is: 119,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,610.52 : 368,428.74 = 79,411.48 : x
  2. Step 2: Convert to fraction form
    245,610.52/368,428.74 = 79,411.48/x
  3. Step 3: Cross multiply
    245,610.52x = 368,428.74 × 79,411.48
  4. Step 4: Simplify right side
    245,610.52x = 29,257,471,517.94
  5. Step 5: Solve for x
    x = 29,257,471,517.94/245,610.52
  6. Step 6: Final answer
    x = 119,121.41

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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.