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Finding the Fourth Proportional to 178,751.36, 268,131.90 and 54,092.36

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Solution

The fourth proportional to 178,751.36, 268,131.90 and 54,092.36 is: 81,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,751.36 : 268,131.90 = 54,092.36 : x
  2. Step 2: Convert to fraction form
    178,751.36/268,131.90 = 54,092.36/x
  3. Step 3: Cross multiply
    178,751.36x = 268,131.90 × 54,092.36
  4. Step 4: Simplify right side
    178,751.36x = 14,503,887,262.28
  5. Step 5: Solve for x
    x = 14,503,887,262.28/178,751.36
  6. Step 6: Final answer
    x = 81,140.01

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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.