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Finding the Fourth Proportional to 441,651.93, 662,478.11 and 142,132.48

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Solution

The fourth proportional to 441,651.93, 662,478.11 and 142,132.48 is: 213,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,651.93 : 662,478.11 = 142,132.48 : x
  2. Step 2: Convert to fraction form
    441,651.93/662,478.11 = 142,132.48/x
  3. Step 3: Cross multiply
    441,651.93x = 662,478.11 × 142,132.48
  4. Step 4: Simplify right side
    441,651.93x = 94,159,652,696.96
  5. Step 5: Solve for x
    x = 94,159,652,696.96/441,651.93
  6. Step 6: Final answer
    x = 213,198.78

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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.