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Finding the Fourth Proportional to 137,201.51, 205,832.52 and 41,134.91

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Solution

The fourth proportional to 137,201.51, 205,832.52 and 41,134.91 is: 61,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,201.51 : 205,832.52 = 41,134.91 : x
  2. Step 2: Convert to fraction form
    137,201.51/205,832.52 = 41,134.91/x
  3. Step 3: Cross multiply
    137,201.51x = 205,832.52 × 41,134.91
  4. Step 4: Simplify right side
    137,201.51x = 8,466,901,040.42
  5. Step 5: Solve for x
    x = 8,466,901,040.42/137,201.51
  6. Step 6: Final answer
    x = 61,711.43

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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.