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Finding the Fourth Proportional to 101,140.56, 151,709.28 and 44,965.92

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Solution

The fourth proportional to 101,140.56, 151,709.28 and 44,965.92 is: 67,448.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,140.56 : 151,709.28 = 44,965.92 : x
  2. Step 2: Convert to fraction form
    101,140.56/151,709.28 = 44,965.92/x
  3. Step 3: Cross multiply
    101,140.56x = 151,709.28 × 44,965.92
  4. Step 4: Simplify right side
    101,140.56x = 6,821,747,347.74
  5. Step 5: Solve for x
    x = 6,821,747,347.74/101,140.56
  6. Step 6: Final answer
    x = 67,448.19

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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.