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Finding the Fourth Proportional to 71,551.95, 107,346.05 and 50,533.05

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Solution

The fourth proportional to 71,551.95, 107,346.05 and 50,533.05 is: 75,812.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,551.95 : 107,346.05 = 50,533.05 : x
  2. Step 2: Convert to fraction form
    71,551.95/107,346.05 = 50,533.05/x
  3. Step 3: Cross multiply
    71,551.95x = 107,346.05 × 50,533.05
  4. Step 4: Simplify right side
    71,551.95x = 5,424,523,059.29
  5. Step 5: Solve for x
    x = 5,424,523,059.29/71,551.95
  6. Step 6: Final answer
    x = 75,812.37

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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.