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Finding the Fourth Proportional to 245,458.62, 368,146.62 and 67,983.57

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Solution

The fourth proportional to 245,458.62, 368,146.62 and 67,983.57 is: 101,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,458.62 : 368,146.62 = 67,983.57 : x
  2. Step 2: Convert to fraction form
    245,458.62/368,146.62 = 67,983.57/x
  3. Step 3: Cross multiply
    245,458.62x = 368,146.62 × 67,983.57
  4. Step 4: Simplify right side
    245,458.62x = 25,027,921,511.03
  5. Step 5: Solve for x
    x = 25,027,921,511.03/245,458.62
  6. Step 6: Final answer
    x = 101,963.91

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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.