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Finding the Fourth Proportional to 101,063.09, 151,709.46 and 51,199.49

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Solution

The fourth proportional to 101,063.09, 151,709.46 and 51,199.49 is: 76,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,063.09 : 151,709.46 = 51,199.49 : x
  2. Step 2: Convert to fraction form
    101,063.09/151,709.46 = 51,199.49/x
  3. Step 3: Cross multiply
    101,063.09x = 151,709.46 × 51,199.49
  4. Step 4: Simplify right side
    101,063.09x = 7,767,447,167.45
  5. Step 5: Solve for x
    x = 7,767,447,167.45/101,063.09
  6. Step 6: Final answer
    x = 76,857.41

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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.