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Finding the Fourth Proportional to 50,907.50, 75,947.90 and 48,151.88

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Solution

The fourth proportional to 50,907.50, 75,947.90 and 48,151.88 is: 71,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,907.50 : 75,947.90 = 48,151.88 : x
  2. Step 2: Convert to fraction form
    50,907.50/75,947.90 = 48,151.88/x
  3. Step 3: Cross multiply
    50,907.50x = 75,947.90 × 48,151.88
  4. Step 4: Simplify right side
    50,907.50x = 3,657,034,167.05
  5. Step 5: Solve for x
    x = 3,657,034,167.05/50,907.50
  6. Step 6: Final answer
    x = 71,836.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.