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Finding the Fourth Proportional to 343,451.30, 515,171.55 and 94,133.30

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Solution

The fourth proportional to 343,451.30, 515,171.55 and 94,133.30 is: 141,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,451.30 : 515,171.55 = 94,133.30 : x
  2. Step 2: Convert to fraction form
    343,451.30/515,171.55 = 94,133.30/x
  3. Step 3: Cross multiply
    343,451.30x = 515,171.55 × 94,133.30
  4. Step 4: Simplify right side
    343,451.30x = 48,494,798,067.62
  5. Step 5: Solve for x
    x = 48,494,798,067.62/343,451.30
  6. Step 6: Final answer
    x = 141,198.47

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1.5x scale

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.