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Finding the Fourth Proportional to 132,940.98, 199,274.67 and 58,047.12

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Solution

The fourth proportional to 132,940.98, 199,274.67 and 58,047.12 is: 87,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,940.98 : 199,274.67 = 58,047.12 : x
  2. Step 2: Convert to fraction form
    132,940.98/199,274.67 = 58,047.12/x
  3. Step 3: Cross multiply
    132,940.98x = 199,274.67 × 58,047.12
  4. Step 4: Simplify right side
    132,940.98x = 11,567,320,682.45
  5. Step 5: Solve for x
    x = 11,567,320,682.45/132,940.98
  6. Step 6: Final answer
    x = 87,010.95

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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.