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Finding the Fourth Proportional to 75,069.01, 112,615.82 and 35,604.60

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Solution

The fourth proportional to 75,069.01, 112,615.82 and 35,604.60 is: 53,412.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,069.01 : 112,615.82 = 35,604.60 : x
  2. Step 2: Convert to fraction form
    75,069.01/112,615.82 = 35,604.60/x
  3. Step 3: Cross multiply
    75,069.01x = 112,615.82 × 35,604.60
  4. Step 4: Simplify right side
    75,069.01x = 4,009,640,757.96
  5. Step 5: Solve for x
    x = 4,009,640,757.96/75,069.01
  6. Step 6: Final answer
    x = 53,412.73

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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.