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Finding the Fourth Proportional to 83,598.66, 125,402.11 and 33,672.01

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Solution

The fourth proportional to 83,598.66, 125,402.11 and 33,672.01 is: 50,509.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,598.66 : 125,402.11 = 33,672.01 : x
  2. Step 2: Convert to fraction form
    83,598.66/125,402.11 = 33,672.01/x
  3. Step 3: Cross multiply
    83,598.66x = 125,402.11 × 33,672.01
  4. Step 4: Simplify right side
    83,598.66x = 4,222,540,692.01
  5. Step 5: Solve for x
    x = 4,222,540,692.01/83,598.66
  6. Step 6: Final answer
    x = 50,509.67

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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.