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Finding the Fourth Proportional to 75,253.20, 112,908.60 and 33,670.32

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Solution

The fourth proportional to 75,253.20, 112,908.60 and 33,670.32 is: 50,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,253.20 : 112,908.60 = 33,670.32 : x
  2. Step 2: Convert to fraction form
    75,253.20/112,908.60 = 33,670.32/x
  3. Step 3: Cross multiply
    75,253.20x = 112,908.60 × 33,670.32
  4. Step 4: Simplify right side
    75,253.20x = 3,801,668,692.75
  5. Step 5: Solve for x
    x = 3,801,668,692.75/75,253.20
  6. Step 6: Final answer
    x = 50,518.37

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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.