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Finding the Fourth Proportional to 101,326.88, 151,992.90 and 48,006.36

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Solution

The fourth proportional to 101,326.88, 151,992.90 and 48,006.36 is: 72,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.88 : 151,992.90 = 48,006.36 : x
  2. Step 2: Convert to fraction form
    101,326.88/151,992.90 = 48,006.36/x
  3. Step 3: Cross multiply
    101,326.88x = 151,992.90 × 48,006.36
  4. Step 4: Simplify right side
    101,326.88x = 7,296,625,874.84
  5. Step 5: Solve for x
    x = 7,296,625,874.84/101,326.88
  6. Step 6: Final answer
    x = 72,010.76

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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.