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Finding the Fourth Proportional to 262,137.29, 393,201.93 and 117,941.27

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Solution

The fourth proportional to 262,137.29, 393,201.93 and 117,941.27 is: 176,910.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,137.29 : 393,201.93 = 117,941.27 : x
  2. Step 2: Convert to fraction form
    262,137.29/393,201.93 = 117,941.27/x
  3. Step 3: Cross multiply
    262,137.29x = 393,201.93 × 117,941.27
  4. Step 4: Simplify right side
    262,137.29x = 46,374,732,554.72
  5. Step 5: Solve for x
    x = 46,374,732,554.72/262,137.29
  6. Step 6: Final answer
    x = 176,910.09

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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.