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Finding the Fourth Proportional to 88,941, 133,197.69 and 50,874.90

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Solution

The fourth proportional to 88,941, 133,197.69 and 50,874.90 is: 76,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,941 : 133,197.69 = 50,874.90 : x
  2. Step 2: Convert to fraction form
    88,941/133,197.69 = 50,874.90/x
  3. Step 3: Cross multiply
    88,941x = 133,197.69 × 50,874.90
  4. Step 4: Simplify right side
    88,941x = 6,776,418,492.99
  5. Step 5: Solve for x
    x = 6,776,418,492.99/88,941
  6. Step 6: Final answer
    x = 76,190.04

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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.