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Finding the Fourth Proportional to 245,625.61, 368,438.41 and 68,132.62

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Solution

The fourth proportional to 245,625.61, 368,438.41 and 68,132.62 is: 102,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,625.61 : 368,438.41 = 68,132.62 : x
  2. Step 2: Convert to fraction form
    245,625.61/368,438.41 = 68,132.62/x
  3. Step 3: Cross multiply
    245,625.61x = 368,438.41 × 68,132.62
  4. Step 4: Simplify right side
    245,625.61x = 25,102,673,090.51
  5. Step 5: Solve for x
    x = 25,102,673,090.51/245,625.61
  6. Step 6: Final answer
    x = 102,198.93

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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.