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Finding the Fourth Proportional to 50,057.58, 75,123.36 and 40,314.45

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Solution

The fourth proportional to 50,057.58, 75,123.36 and 40,314.45 is: 60,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,057.58 : 75,123.36 = 40,314.45 : x
  2. Step 2: Convert to fraction form
    50,057.58/75,123.36 = 40,314.45/x
  3. Step 3: Cross multiply
    50,057.58x = 75,123.36 × 40,314.45
  4. Step 4: Simplify right side
    50,057.58x = 3,028,556,940.55
  5. Step 5: Solve for x
    x = 3,028,556,940.55/50,057.58
  6. Step 6: Final answer
    x = 60,501.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.