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Finding the Fourth Proportional to 75,536.62, 113,202.86 and 28,763.98

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Solution

The fourth proportional to 75,536.62, 113,202.86 and 28,763.98 is: 43,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,536.62 : 113,202.86 = 28,763.98 : x
  2. Step 2: Convert to fraction form
    75,536.62/113,202.86 = 28,763.98/x
  3. Step 3: Cross multiply
    75,536.62x = 113,202.86 × 28,763.98
  4. Step 4: Simplify right side
    75,536.62x = 3,256,164,800.98
  5. Step 5: Solve for x
    x = 3,256,164,800.98/75,536.62
  6. Step 6: Final answer
    x = 43,107.10

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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.