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Finding the Fourth Proportional to 70,101.92, 96,736.20 and 41,808.08

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Solution

The fourth proportional to 70,101.92, 96,736.20 and 41,808.08 is: 57,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,101.92 : 96,736.20 = 41,808.08 : x
  2. Step 2: Convert to fraction form
    70,101.92/96,736.20 = 41,808.08/x
  3. Step 3: Cross multiply
    70,101.92x = 96,736.20 × 41,808.08
  4. Step 4: Simplify right side
    70,101.92x = 4,044,354,788.50
  5. Step 5: Solve for x
    x = 4,044,354,788.50/70,101.92
  6. Step 6: Final answer
    x = 57,692.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.