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Finding the Fourth Proportional to 133,843.98, 200,756.58 and 62,782.20

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Solution

The fourth proportional to 133,843.98, 200,756.58 and 62,782.20 is: 94,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,843.98 : 200,756.58 = 62,782.20 : x
  2. Step 2: Convert to fraction form
    133,843.98/200,756.58 = 62,782.20/x
  3. Step 3: Cross multiply
    133,843.98x = 200,756.58 × 62,782.20
  4. Step 4: Simplify right side
    133,843.98x = 12,603,939,756.88
  5. Step 5: Solve for x
    x = 12,603,939,756.88/133,843.98
  6. Step 6: Final answer
    x = 94,168.90

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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.