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Finding the Fourth Proportional to 74,516.87, 102,781.23 and 50,602.03

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Solution

The fourth proportional to 74,516.87, 102,781.23 and 50,602.03 is: 69,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,516.87 : 102,781.23 = 50,602.03 : x
  2. Step 2: Convert to fraction form
    74,516.87/102,781.23 = 50,602.03/x
  3. Step 3: Cross multiply
    74,516.87x = 102,781.23 × 50,602.03
  4. Step 4: Simplify right side
    74,516.87x = 5,200,938,369.99
  5. Step 5: Solve for x
    x = 5,200,938,369.99/74,516.87
  6. Step 6: Final answer
    x = 69,795.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.