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Finding the Fourth Proportional to 273,326.90, 410,067.15 and 133,090.10

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Solution

The fourth proportional to 273,326.90, 410,067.15 and 133,090.10 is: 199,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,326.90 : 410,067.15 = 133,090.10 : x
  2. Step 2: Convert to fraction form
    273,326.90/410,067.15 = 133,090.10/x
  3. Step 3: Cross multiply
    273,326.90x = 410,067.15 × 133,090.10
  4. Step 4: Simplify right side
    273,326.90x = 54,575,878,000.22
  5. Step 5: Solve for x
    x = 54,575,878,000.22/273,326.90
  6. Step 6: Final answer
    x = 199,672.55

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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.