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Finding the Fourth Proportional to 95,123.87, 142,755.01 and 76,627.22

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Solution

The fourth proportional to 95,123.87, 142,755.01 and 76,627.22 is: 114,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,123.87 : 142,755.01 = 76,627.22 : x
  2. Step 2: Convert to fraction form
    95,123.87/142,755.01 = 76,627.22/x
  3. Step 3: Cross multiply
    95,123.87x = 142,755.01 × 76,627.22
  4. Step 4: Simplify right side
    95,123.87x = 10,938,918,652.03
  5. Step 5: Solve for x
    x = 10,938,918,652.03/95,123.87
  6. Step 6: Final answer
    x = 114,996.57

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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.