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Finding the Fourth Proportional to 366,193.80, 549,290.61 and 99,961.38

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Solution

The fourth proportional to 366,193.80, 549,290.61 and 99,961.38 is: 149,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,193.80 : 549,290.61 = 99,961.38 : x
  2. Step 2: Convert to fraction form
    366,193.80/549,290.61 = 99,961.38/x
  3. Step 3: Cross multiply
    366,193.80x = 549,290.61 × 99,961.38
  4. Step 4: Simplify right side
    366,193.80x = 54,907,847,396.64
  5. Step 5: Solve for x
    x = 54,907,847,396.64/366,193.80
  6. Step 6: Final answer
    x = 149,942.05

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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.