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Finding the Fourth Proportional to 206,103.42, 309,184.48 and 63,960.98

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Solution

The fourth proportional to 206,103.42, 309,184.48 and 63,960.98 is: 95,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,103.42 : 309,184.48 = 63,960.98 : x
  2. Step 2: Convert to fraction form
    206,103.42/309,184.48 = 63,960.98/x
  3. Step 3: Cross multiply
    206,103.42x = 309,184.48 × 63,960.98
  4. Step 4: Simplify right side
    206,103.42x = 19,775,742,090.05
  5. Step 5: Solve for x
    x = 19,775,742,090.05/206,103.42
  6. Step 6: Final answer
    x = 95,950.58

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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.