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Finding the Fourth Proportional to 101,021.25, 151,537.95 and 30,901.17

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Solution

The fourth proportional to 101,021.25, 151,537.95 and 30,901.17 is: 46,353.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,021.25 : 151,537.95 = 30,901.17 : x
  2. Step 2: Convert to fraction form
    101,021.25/151,537.95 = 30,901.17/x
  3. Step 3: Cross multiply
    101,021.25x = 151,537.95 × 30,901.17
  4. Step 4: Simplify right side
    101,021.25x = 4,682,699,954.40
  5. Step 5: Solve for x
    x = 4,682,699,954.40/101,021.25
  6. Step 6: Final answer
    x = 46,353.61

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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.