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Finding the Fourth Proportional to 245,663.63, 368,495.63 and 68,170.82

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Solution

The fourth proportional to 245,663.63, 368,495.63 and 68,170.82 is: 102,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,663.63 : 368,495.63 = 68,170.82 : x
  2. Step 2: Convert to fraction form
    245,663.63/368,495.63 = 68,170.82/x
  3. Step 3: Cross multiply
    245,663.63x = 368,495.63 × 68,170.82
  4. Step 4: Simplify right side
    245,663.63x = 25,120,647,591.47
  5. Step 5: Solve for x
    x = 25,120,647,591.47/245,663.63
  6. Step 6: Final answer
    x = 102,256.27

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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.