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Finding the Fourth Proportional to 96,937.80, 145,416.30 and 33,748.20

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Solution

The fourth proportional to 96,937.80, 145,416.30 and 33,748.20 is: 50,625.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,937.80 : 145,416.30 = 33,748.20 : x
  2. Step 2: Convert to fraction form
    96,937.80/145,416.30 = 33,748.20/x
  3. Step 3: Cross multiply
    96,937.80x = 145,416.30 × 33,748.20
  4. Step 4: Simplify right side
    96,937.80x = 4,907,538,375.66
  5. Step 5: Solve for x
    x = 4,907,538,375.66/96,937.80
  6. Step 6: Final answer
    x = 50,625.64

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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.