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Finding the Fourth Proportional to 245,884.74, 368,796.25 and 68,405.52

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Solution

The fourth proportional to 245,884.74, 368,796.25 and 68,405.52 is: 102,599.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,884.74 : 368,796.25 = 68,405.52 : x
  2. Step 2: Convert to fraction form
    245,884.74/368,796.25 = 68,405.52/x
  3. Step 3: Cross multiply
    245,884.74x = 368,796.25 × 68,405.52
  4. Step 4: Simplify right side
    245,884.74x = 25,227,699,255.30
  5. Step 5: Solve for x
    x = 25,227,699,255.30/245,884.74
  6. Step 6: Final answer
    x = 102,599.69

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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.